Metadata
| Key | Value |
|---|---|
| engine | openai |
| prompt | default |
| temp | 0.2 |
| top_p | 0.95 |
| max_new_tokens | 1024 |
| n_completions | 20 |
Solutions
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
import Foundation
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}```swift
import Foundation
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: data, options: [])
guard let json = jsonObject as? JSON else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = attributesString.isEmpty ? "<\(name)>" : "<\(name) \(attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = attributesString.isEmpty ? "<\(name)>" : "<\(name) \(attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attrs = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let attrsString = attrs.isEmpty ? "" : " " + attrs
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attrsString)>\(childrenString)</\(name)>"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attrs = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let attrsString = attrs.isEmpty ? "" : " " + attrs
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attrsString)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}```swift
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attrs = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let attrsString = attrs.isEmpty ? "" : " " + attrs
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attrsString)>\(childrenString)</\(name)>"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attrs = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let attrsString = attrs.isEmpty ? "" : " " + attrs
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attrsString)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attrs = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let attrsString = attrs.isEmpty ? "" : " " + attrs
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attrsString)>\(childrenString)</\(name)>"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attrs = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let attrsString = attrs.isEmpty ? "" : " " + attrs
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attrsString)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let openingTag = "<\(name)\(attributesString.isEmpty ? "" : " " + attributesString)>"
let closingTag = "</\(name)>"
let childrenString = children.map { generate($0) }.joined()
return "\(openingTag)\(childrenString)\(closingTag)"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
let attributesString = attributes.map { "\($0.key)=\"\($0.value)\"" }
.joined(separator: " ")
let attributesPart = attributesString.isEmpty ? "" : " " + attributesString
let childrenString = children.map { generate($0) }.joined()
return "<\(name)\(attributesPart)>\(childrenString)</\(name)>"
}
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let matches = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in matches {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.last == "(" {
operators.removeLast()
} else {
throw CalculateError.invalidInput
}
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let last = operators.last {
if last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let matches = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in matches {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.last == "(" {
operators.removeLast()
} else {
throw CalculateError.invalidInput
}
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let last = operators.last {
if last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```switch operator { // expected expression in 'switch' statementswitch operator { // expected operator name in operator declarationenum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern, options: [])
let nsString = string as NSString
let results = regex.matches(in: string, options: [], range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in results {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var stack: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let top = stack.last, top != "(" {
output.append(stack.removeLast())
}
if stack.isEmpty {
throw CalculateError.invalidInput
}
stack.removeLast() // Remove the '('
} else if let _ = precedence[token] {
while let top = stack.last, let topPrecedence = precedence[top], let currentPrecedence = precedence[token], topPrecedence >= currentPrecedence {
output.append(stack.removeLast())
}
stack.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let top = stack.last {
if top == "(" {
throw CalculateError.invalidInput
}
output.append(stack.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern, options: [])
let nsString = string as NSString
let results = regex.matches(in: string, options: [], range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in results {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var stack: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let top = stack.last, top != "(" {
output.append(stack.removeLast())
}
if stack.isEmpty {
throw CalculateError.invalidInput
}
stack.removeLast() // Remove the '('
} else if let _ = precedence[token] {
while let top = stack.last, let topPrecedence = precedence[top], let currentPrecedence = precedence[token], topPrecedence >= currentPrecedence {
output.append(stack.removeLast())
}
stack.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let top = stack.last {
if top == "(" {
throw CalculateError.invalidInput
}
output.append(stack.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens = [String]()
var currentNumber = ""
for char in string {
if char.isWhitespace {
continue
} else if char.isNumber || char == "." {
currentNumber.append(char)
} else if "+-*/()".contains(char) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(char))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output = [String]()
var operators = [String]()
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], let currentPrecedence = precedence[token], lastPrecedence >= currentPrecedence {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
let last = operators.removeLast()
if last == "(" {
throw CalculateError.invalidInput
}
output.append(last)
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack = [Double]()
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens = [String]()
var currentNumber = ""
for char in string {
if char.isWhitespace {
continue
} else if char.isNumber || char == "." {
currentNumber.append(char)
} else if "+-*/()".contains(char) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(char))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output = [String]()
var operators = [String]()
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], let currentPrecedence = precedence[token], lastPrecedence >= currentPrecedence {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
let last = operators.removeLast()
if last == "(" {
throw CalculateError.invalidInput
}
output.append(last)
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack = [Double]()
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else if "+-*/()".contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else if "+-*/()".contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let results = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for result in results {
tokens.append(nsString.substring(with: result.range))
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var stack: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let top = stack.last, top != "(" {
output.append(stack.removeLast())
}
if stack.isEmpty {
throw CalculateError.invalidInput
}
stack.removeLast() // pop the "("
} else if let _ = precedence[token] {
while let top = stack.last, let topPrecedence = precedence[top], let tokenPrecedence = precedence[token], topPrecedence >= tokenPrecedence {
output.append(stack.removeLast())
}
stack.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let top = stack.last {
if top == "(" {
throw CalculateError.invalidInput
}
output.append(stack.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let results = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for result in results {
tokens.append(nsString.substring(with: result.range))
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var stack: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let top = stack.last, top != "(" {
output.append(stack.removeLast())
}
if stack.isEmpty {
throw CalculateError.invalidInput
}
stack.removeLast() // pop the "("
} else if let _ = precedence[token] {
while let top = stack.last, let topPrecedence = precedence[top], let tokenPrecedence = precedence[token], topPrecedence >= tokenPrecedence {
output.append(stack.removeLast())
}
stack.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let top = stack.last {
if top == "(" {
throw CalculateError.invalidInput
}
output.append(stack.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else if "+-*/()".contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the '('
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
let last = operators.removeLast()
if last == "(" {
throw CalculateError.invalidInput
}
output.append(last)
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else if "+-*/".contains(token) {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
} else {
throw CalculateError.invalidInput
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else if "+-*/()".contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the '('
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
let last = operators.removeLast()
if last == "(" {
throw CalculateError.invalidInput
}
output.append(last)
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else if "+-*/".contains(token) {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
} else {
throw CalculateError.invalidInput
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```switch operator { // expected expression in 'switch' statementswitch operator { // expected operator name in operator declarationenum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else if "+-*/()".contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let top = operators.last, top != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let top = operators.last, let topPrecedence = precedence[top], let currentPrecedence = precedence[token], topPrecedence >= currentPrecedence {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else if "+-*/()".contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let top = operators.last, top != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let top = operators.last, let topPrecedence = precedence[top], let currentPrecedence = precedence[token], topPrecedence >= currentPrecedence {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens = [String]()
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var outputQueue = [String]()
var operatorStack = [String]()
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
outputQueue.append(token)
} else if "+-*/".contains(token) {
while let top = operatorStack.last, let topPrecedence = precedence[top], let currentPrecedence = precedence[token], topPrecedence >= currentPrecedence {
outputQueue.append(operatorStack.removeLast())
}
operatorStack.append(token)
} else if token == "(" {
operatorStack.append(token)
} else if token == ")" {
while let top = operatorStack.last, top != "(" {
outputQueue.append(operatorStack.removeLast())
}
operatorStack.removeLast() // Remove the '('
} else {
throw CalculateError.invalidInput
}
}
while let top = operatorStack.last {
outputQueue.append(operatorStack.removeLast())
}
return outputQueue
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack = [Double]()
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
guard right != 0 else {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens = [String]()
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var outputQueue = [String]()
var operatorStack = [String]()
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
outputQueue.append(token)
} else if "+-*/".contains(token) {
while let top = operatorStack.last, let topPrecedence = precedence[top], let currentPrecedence = precedence[token], topPrecedence >= currentPrecedence {
outputQueue.append(operatorStack.removeLast())
}
operatorStack.append(token)
} else if token == "(" {
operatorStack.append(token)
} else if token == ")" {
while let top = operatorStack.last, top != "(" {
outputQueue.append(operatorStack.removeLast())
}
operatorStack.removeLast() // Remove the '('
} else {
throw CalculateError.invalidInput
}
}
while let top = operatorStack.last {
outputQueue.append(operatorStack.removeLast())
}
return outputQueue
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack = [Double]()
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
guard right != 0 else {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```while let top = operatorStack.last { // value 'top' was defined but never used; consider replacing with boolean testenum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens = [String]()
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else if "+-*/()".contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output = [String]()
var operators = [String]()
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], let currentPrecedence = precedence[token], lastPrecedence >= currentPrecedence {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack = [Double]()
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens = [String]()
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else if "+-*/()".contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output = [String]()
var operators = [String]()
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], let currentPrecedence = precedence[token], lastPrecedence >= currentPrecedence {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack = [Double]()
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let matches = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in matches {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the "("
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
let last = operators.removeLast()
if last == "(" {
throw CalculateError.invalidInput
}
output.append(last)
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let matches = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in matches {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the "("
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
let last = operators.removeLast()
if last == "(" {
throw CalculateError.invalidInput
}
output.append(last)
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```switch operator { // expected expression in 'switch' statementswitch operator { // expected operator name in operator declarationenum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let operators = Set("+-*/()")
var tokens = [String]()
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if operators.contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var outputQueue = [String]()
var operatorStack = [String]()
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
outputQueue.append(token)
} else if token == "(" {
operatorStack.append(token)
} else if token == ")" {
while let top = operatorStack.last, top != "(" {
outputQueue.append(operatorStack.removeLast())
}
if operatorStack.isEmpty {
throw CalculateError.invalidInput
}
operatorStack.removeLast() // pop the "("
} else if precedence.keys.contains(token) {
while let top = operatorStack.last, let topPrecedence = precedence[top], let currentPrecedence = precedence[token], topPrecedence >= currentPrecedence {
outputQueue.append(operatorStack.removeLast())
}
operatorStack.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let top = operatorStack.last {
if top == "(" {
throw CalculateError.invalidInput
}
outputQueue.append(operatorStack.removeLast())
}
return outputQueue
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack = [Double]()
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let operators = Set("+-*/()")
var tokens = [String]()
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if operators.contains(character) {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
tokens.append(String(character))
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
throw CalculateError.invalidInput
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var outputQueue = [String]()
var operatorStack = [String]()
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
outputQueue.append(token)
} else if token == "(" {
operatorStack.append(token)
} else if token == ")" {
while let top = operatorStack.last, top != "(" {
outputQueue.append(operatorStack.removeLast())
}
if operatorStack.isEmpty {
throw CalculateError.invalidInput
}
operatorStack.removeLast() // pop the "("
} else if precedence.keys.contains(token) {
while let top = operatorStack.last, let topPrecedence = precedence[top], let currentPrecedence = precedence[token], topPrecedence >= currentPrecedence {
outputQueue.append(operatorStack.removeLast())
}
operatorStack.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let top = operatorStack.last {
if top == "(" {
throw CalculateError.invalidInput
}
outputQueue.append(operatorStack.removeLast())
}
return outputQueue
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack = [Double]()
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let top = operators.last, top != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the '('
} else if let _ = precedence[token] {
while let top = operators.last, let topPrecedence = precedence[top], topPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let top = operators.last {
if top == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let top = operators.last, top != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the '('
} else if let _ = precedence[token] {
while let top = operators.last, let topPrecedence = precedence[top], topPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let top = operators.last {
if top == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let results = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in results {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.last == "(" {
operators.removeLast()
} else {
throw CalculateError.invalidInput
}
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let last = operators.last {
if last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let results = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in results {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.last == "(" {
operators.removeLast()
} else {
throw CalculateError.invalidInput
}
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let last = operators.last {
if last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```switch operator { // expected operator name in operator declarationswitch operator { // expected expression in 'switch' statementenum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for char in string {
if char.isWhitespace {
continue
} else if char.isNumber || char == "." {
currentNumber.append(char)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(char) {
tokens.append(String(char))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for char in string {
if char.isWhitespace {
continue
} else if char.isNumber || char == "." {
currentNumber.append(char)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(char) {
tokens.append(String(char))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let results = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in results {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let last = operators.last {
if last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
guard right != 0 else {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let results = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in results {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if "+-*/".contains(token) {
while let last = operators.last, precedence(of: last) >= precedence(of: token) {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while let last = operators.last {
if last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func precedence(of operator: String) -> Int {
switch operator {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
guard right != 0 else {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```switch operator { // expected operator name in operator declarationswitch operator { // expected expression in 'switch' statementenum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let results = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in results {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.last == "(" {
operators.removeLast()
} else {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], let currentPrecedence = precedence[token], lastPrecedence >= currentPrecedence {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let rpn = try shuntingYard(tokens)
return try evaluateRPN(rpn)
}
private func tokenize(_ string: String) throws -> [String] {
let pattern = "[0-9]+|[+\\-*/()]"
let regex = try NSRegularExpression(pattern: pattern)
let nsString = string as NSString
let results = regex.matches(in: string, range: NSRange(location: 0, length: nsString.length))
var tokens: [String] = []
for match in results {
let token = nsString.substring(with: match.range)
tokens.append(token)
}
return tokens
}
private func shuntingYard(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.last == "(" {
operators.removeLast()
} else {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], let currentPrecedence = precedence[token], lastPrecedence >= currentPrecedence {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluateRPN(_ rpn: [String]) throws -> Double {
var stack: [Double] = []
for token in rpn {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the '('
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the '('
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
switch token {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty || operators.removeLast() != "(" {
throw CalculateError.invalidInput
}
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
switch token {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the '('
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentNumber = ""
for character in string {
if character.isWhitespace {
continue
} else if character.isNumber || character == "." {
currentNumber.append(character)
} else {
if !currentNumber.isEmpty {
tokens.append(currentNumber)
currentNumber = ""
}
if "+-*/()".contains(character) {
tokens.append(String(character))
} else {
throw CalculateError.invalidInput
}
}
}
if !currentNumber.isEmpty {
tokens.append(currentNumber)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var operators: [String] = []
let precedence: [String: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
for token in tokens {
if let _ = Double(token) {
output.append(token)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
output.append(operators.removeLast())
}
if operators.isEmpty {
throw CalculateError.invalidInput
}
operators.removeLast() // Remove the '('
} else if let _ = precedence[token] {
while let last = operators.last, let lastPrecedence = precedence[last], lastPrecedence >= precedence[token]! {
output.append(operators.removeLast())
}
operators.append(token)
} else {
throw CalculateError.invalidInput
}
}
while !operators.isEmpty {
if operators.last == "(" {
throw CalculateError.invalidInput
}
output.append(operators.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
let result: Double
switch token {
case "+":
result = left + right
case "-":
result = left - right
case "*":
result = left * right
case "/":
if right == 0 {
throw CalculateError.invalidInput
}
result = left / right
default:
throw CalculateError.invalidInput
}
stack.append(result)
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
return stack[0]
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
let stdoutPipe = Pipe()
let stderrPipe = Pipe()
process.standardOutput = stdoutPipe
process.standardError = stderrPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
process.waitUntilExit()
let stdoutData = stdoutPipe.fileHandleForReading.readDataToEndOfFile()
let stderrData = stderrPipe.fileHandleForReading.readDataToEndOfFile()
let stdoutString = String(data: stdoutData, encoding: .utf8) ?? ""
let stderrString = String(data: stderrData, encoding: .utf8) ?? ""
return (stdoutString, stderrString)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}
```import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}```swift
import Foundation
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
let outputPipe = Pipe()
let errorPipe = Pipe()
process.executableURL = URL(fileURLWithPath: binary)
process.arguments = arguments
process.standardOutput = outputPipe
process.standardError = errorPipe
do {
try process.run()
} catch {
return ("", "Error starting process: \(error.localizedDescription)")
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: outputData, encoding: .utf8) ?? ""
let error = String(data: errorData, encoding: .utf8) ?? ""
return (output, error)
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
} else {
let result = function(input)
cache[input] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedResult = cache[input] {
return cachedResult
}
let result = function(input)
cache[input] = result
return result
}
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for attempt in 1...attempts {
do {
return try task()
} catch {
lastError = error
if attempt == attempts {
throw lastError!
}
}
}
throw lastError!
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}```swift
class DIContainer: DIContainerProtocol {
private var factories: [String: Any] = [:]
func register<T>(_ type: T.Type, factory: @escaping () -> T) {
let key = String(describing: type)
factories[key] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
let key = String(describing: type)
guard let factory = factories[key] as? () -> T else {
return nil
}
return factory()
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```protocol StateMachineProtocol {
associatedtype State: Hashable
associatedtype Event: Hashable
init(state: State)
var state: State { get }
func trigger(event: Event)
func registerTransition(from: State, to: State, event: Event)
}
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}```swift
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.currentState = state
}
var state: State {
return currentState
}
func trigger(event: Event) {
if let nextState = transitions[currentState]?[event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
if transitions[from] == nil {
transitions[from] = [:]
}
transitions[from]?[event] = to
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```indirect enum FileSystemNode {
case file(name: String, size: Int)
case directory(name: String, contents: [FileSystemNode])
}
protocol FileSystemInfo {
var totalSize: Int { get }
var filesCount: Int { get }
var treeDepth: Int { get }
}
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}```swift
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(_, let size):
return size
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(_, _):
return 1
case .directory(_, let contents):
let childDepths = contents.map { $0.treeDepth }
return 1 + (childDepths.max() ?? 0)
}
}
}
```protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}```swift
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
required init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constantprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
// Move the accessed node to the front of the LRU list
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing entry
let (oldElement, node) = cache[key]!
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruNode = lruList.removeLast() {
cache.removeValue(forKey: lruNode.key)
}
}
// Insert the new entry
let newNode = lruList.insertAtFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove the entry if the value is nil
if let (_, node) = cache.removeValue(forKey: key) {
lruList.remove(node)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func insertAtFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let head = head {
newNode.next = head
head.prev = newNode
}
head = newNode
if tail == nil {
tail = newNode
}
return newNode
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
}
if node === tail {
tail = node.prev
}
node.prev?.next = node.next
node.next?.prev = node.prev
node.prev = nil
node.next = nil
}
func moveToFront(_ node: LinkedListNode<Key>) {
remove(node)
insertAtFront(node.key)
}
func removeLast() -> LinkedListNode<Key>? {
guard let tail = tail else { return nil }
remove(tail)
return tail
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
// Move the accessed node to the front of the LRU list
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing entry
let (oldElement, node) = cache[key]!
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruNode = lruList.removeLast() {
cache.removeValue(forKey: lruNode.key)
}
}
// Insert the new entry
let newNode = lruList.insertAtFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove the entry if the value is nil
if let (_, node) = cache.removeValue(forKey: key) {
lruList.remove(node)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func insertAtFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let head = head {
newNode.next = head
head.prev = newNode
}
head = newNode
if tail == nil {
tail = newNode
}
return newNode
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
}
if node === tail {
tail = node.prev
}
node.prev?.next = node.next
node.next?.prev = node.prev
node.prev = nil
node.next = nil
}
func moveToFront(_ node: LinkedListNode<Key>) {
remove(node)
insertAtFront(node.key)
}
func removeLast() -> LinkedListNode<Key>? {
guard let tail = tail else { return nil }
remove(tail)
return tail
}
}
```let (oldElement, node) = cache[key]! // immutable value 'oldElement' was never used; consider replacing with '_' or removing itinsertAtFront(node.key) // result of call to 'insertAtFront' is unusedprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)]
private var lruList: LinkedList<Key>
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.lruList = LinkedList<Key>()
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
// Move the accessed item to the front of the LRU list
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing item
cache[key]?.0 = newValue
if let node = cache[key]?.1 {
lruList.moveToFront(node)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Add new item
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// If setting to nil, remove the item
if let node = cache[key]?.1 {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
// Remove node from its current position
if let prevNode = node.prev {
prevNode.next = node.next
}
if let nextNode = node.next {
nextNode.prev = node.prev
}
if node === tail {
tail = node.prev
}
// Add node to the front
node.prev = nil
node.next = head
head?.prev = node
head = node
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
if let prevNode = tailNode.prev {
prevNode.next = nil
tail = prevNode
} else {
head = nil
tail = nil
}
return tailNode.key
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)]
private var lruList: LinkedList<Key>
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.lruList = LinkedList<Key>()
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
// Move the accessed item to the front of the LRU list
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing item
cache[key]?.0 = newValue
if let node = cache[key]?.1 {
lruList.moveToFront(node)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Add new item
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// If setting to nil, remove the item
if let node = cache[key]?.1 {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
// Remove node from its current position
if let prevNode = node.prev {
prevNode.next = node.next
}
if let nextNode = node.next {
nextNode.prev = node.prev
}
if node === tail {
tail = node.prev
}
// Add node to the front
node.prev = nil
node.next = head
head?.prev = node
head = node
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
if let prevNode = tailNode.prev {
prevNode.next = nil
tail = prevNode
} else {
head = nil
tail = nil
}
return tailNode.key
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
if let (_, node) = cache[key] {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
addFront(node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
remove(tailNode)
return tailNode.key
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
if let (_, node) = cache[key] {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
addFront(node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
remove(tailNode)
return tailNode.key
}
}
```if let (element, node) = cache[key] { // immutable value 'element' was never used; consider replacing with '_' or removing itaddFront(node.key) // result of call to 'addFront' is unusedprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else {
return nil
}
// Move the accessed key to the end of the order array
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
// If the key already exists, update the value and move it to the end
if cache[key] != nil {
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// If the cache is at capacity, remove the least recently used item
if cache.count >= capacity {
let lruKey = order.removeFirst()
cache.removeValue(forKey: lruKey)
}
cache[key] = newValue
}
order.append(key)
} else {
// If the value is nil, remove the key from the cache and order
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
cache.removeValue(forKey: key)
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else {
return nil
}
// Move the accessed key to the end of the order array
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
// If the key already exists, update the value and move it to the end
if cache[key] != nil {
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// If the cache is at capacity, remove the least recently used item
if cache.count >= capacity {
let lruKey = order.removeFirst()
cache.removeValue(forKey: lruKey)
}
cache[key] = newValue
}
order.append(key)
} else {
// If the value is nil, remove the key from the cache and order
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
cache.removeValue(forKey: key)
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList: LinkedList<Key> = LinkedList()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let node = cache[key] else {
return nil
}
// Move the accessed item to the front of the LRU list
lruList.moveToFront(node.1)
return node.0
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing item
lruList.moveToFront(cache[key]!.1)
cache[key]!.0 = newValue
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Insert the new item
let node = lruList.insertAtFront(key)
cache[key] = (newValue, node)
}
} else {
// Remove the item if the new value is nil
if let node = cache[key]?.1 {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var prev: LinkedListNode?
var next: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func insertAtFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
insertAtFront(node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
node.prev = nil
node.next = nil
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
remove(tailNode)
return tailNode.key
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList: LinkedList<Key> = LinkedList()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let node = cache[key] else {
return nil
}
// Move the accessed item to the front of the LRU list
lruList.moveToFront(node.1)
return node.0
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing item
lruList.moveToFront(cache[key]!.1)
cache[key]!.0 = newValue
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Insert the new item
let node = lruList.insertAtFront(key)
cache[key] = (newValue, node)
}
} else {
// Remove the item if the new value is nil
if let node = cache[key]?.1 {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var prev: LinkedListNode?
var next: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func insertAtFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
insertAtFront(node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
node.prev = nil
node.next = nil
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
remove(tailNode)
return tailNode.key
}
}
```insertAtFront(node.key) // result of call to 'insertAtFront' is unusedprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
// Update existing element
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Check capacity
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Add new element
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove element if nil is set
if let (_, node) = cache[key] {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
// Remove node from its current position
if let prevNode = node.prev {
prevNode.next = node.next
}
if let nextNode = node.next {
nextNode.prev = node.prev
}
if node === tail {
tail = node.prev
}
// Add node to the front
node.prev = nil
node.next = head
head?.prev = node
head = node
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
if tailNode.prev != nil {
tail = tailNode.prev
tail?.next = nil
} else {
head = nil
tail = nil
}
return tailNode.key
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
// Update existing element
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Check capacity
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Add new element
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove element if nil is set
if let (_, node) = cache[key] {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
// Remove node from its current position
if let prevNode = node.prev {
prevNode.next = node.next
}
if let nextNode = node.next {
nextNode.prev = node.prev
}
if node === tail {
tail = node.prev
}
// Add node to the front
node.prev = nil
node.next = head
head?.prev = node
head = node
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
if tailNode.prev != nil {
tail = tailNode.prev
tail?.next = nil
} else {
head = nil
tail = nil
}
return tailNode.key
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
}
}
```if let (element, node) = cache[key] { // immutable value 'element' was never used; consider replacing with '_' or removing itprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList: LinkedList<Key> = LinkedList()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
// Update existing entry
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Add new entry
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove entry if newValue is nil
if let (element, node) = cache.removeValue(forKey: key) {
lruList.remove(node)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let head = head {
newNode.next = head
head.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
}
if node === tail {
tail = node.prev
}
node.prev?.next = node.next
node.next?.prev = node.prev
node.prev = nil
node.next = nil
}
func moveToFront(_ node: LinkedListNode<Key>) {
remove(node)
addFront(node.key)
}
func removeLast() -> Key? {
guard let tail = tail else { return nil }
remove(tail)
return tail.key
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList: LinkedList<Key> = LinkedList()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
// Update existing entry
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Add new entry
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove entry if newValue is nil
if let (element, node) = cache.removeValue(forKey: key) {
lruList.remove(node)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let head = head {
newNode.next = head
head.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
}
if node === tail {
tail = node.prev
}
node.prev?.next = node.next
node.next?.prev = node.prev
node.prev = nil
node.next = nil
}
func moveToFront(_ node: LinkedListNode<Key>) {
remove(node)
addFront(node.key)
}
func removeLast() -> Key? {
guard let tail = tail else { return nil }
remove(tail)
return tail.key
}
}
```if let (element, node) = cache[key] { // immutable value 'element' was never used; consider replacing with '_' or removing itif let (element, node) = cache.removeValue(forKey: key) { // immutable value 'element' was never used; consider replacing with '_' or removing itaddFront(node.key) // result of call to 'addFront' is unusedprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
// Move the accessed node to the front of the LRU list
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing entry
if let (oldElement, node) = cache[key] {
lruList.moveToFront(node)
cache[key] = (newValue, node)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruNode = lruList.removeLast() {
cache.removeValue(forKey: lruNode.key)
}
}
// Add new entry
let newNode = lruList.add(key: key)
cache[key] = (newValue, newNode)
}
} else {
// Remove entry if newValue is nil
if let (_, node) = cache[key] {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var prev: LinkedListNode?
var next: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func add(key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if head == nil {
head = newNode
tail = newNode
} else {
newNode.next = head
head?.prev = newNode
head = newNode
}
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
add(key: node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
node.prev = nil
node.next = nil
}
func removeLast() -> LinkedListNode<Key>? {
guard let lastNode = tail else { return nil }
remove(lastNode)
return lastNode
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
// Move the accessed node to the front of the LRU list
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing entry
if let (oldElement, node) = cache[key] {
lruList.moveToFront(node)
cache[key] = (newValue, node)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruNode = lruList.removeLast() {
cache.removeValue(forKey: lruNode.key)
}
}
// Add new entry
let newNode = lruList.add(key: key)
cache[key] = (newValue, newNode)
}
} else {
// Remove entry if newValue is nil
if let (_, node) = cache[key] {
lruList.remove(node)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var prev: LinkedListNode?
var next: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func add(key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if head == nil {
head = newNode
tail = newNode
} else {
newNode.next = head
head?.prev = newNode
head = newNode
}
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
add(key: node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
node.prev = nil
node.next = nil
}
func removeLast() -> LinkedListNode<Key>? {
guard let lastNode = tail else { return nil }
remove(lastNode)
return lastNode
}
}
```if let (oldElement, node) = cache[key] { // immutable value 'oldElement' was never used; consider replacing with '_' or removing itadd(key: node.key) // result of call to 'add(key:)' is unusedprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList: LinkedList<Key> = LinkedList()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let node = cache[key] else { return nil }
// Move the accessed item to the front of the LRU list
lruList.moveToFront(node.1)
return node.0
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing item
lruList.moveToFront(cache[key]!.1)
cache[key] = (newValue, cache[key]!.1)
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Insert the new item
let newNode = lruList.insertAtFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove the item if the newValue is nil
if let node = cache[key] {
lruList.remove(node.1)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var prev: LinkedListNode?
var next: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func insertAtFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let head = head {
newNode.next = head
head.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
insertAtFront(node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
node.prev = nil
node.next = nil
}
func removeLast() -> Key? {
guard let tail = tail else { return nil }
remove(tail)
return tail.key
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList: LinkedList<Key> = LinkedList()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let node = cache[key] else { return nil }
// Move the accessed item to the front of the LRU list
lruList.moveToFront(node.1)
return node.0
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing item
lruList.moveToFront(cache[key]!.1)
cache[key] = (newValue, cache[key]!.1)
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Insert the new item
let newNode = lruList.insertAtFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove the item if the newValue is nil
if let node = cache[key] {
lruList.remove(node.1)
cache.removeValue(forKey: key)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var prev: LinkedListNode?
var next: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func insertAtFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let head = head {
newNode.next = head
head.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
insertAtFront(node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
node.prev = nil
node.next = nil
}
func removeLast() -> Key? {
guard let tail = tail else { return nil }
remove(tail)
return tail.key
}
}
```insertAtFront(node.key) // result of call to 'insertAtFront' is unusedprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
// Update existing value and move to front
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Check capacity and evict if necessary
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Add new value
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove value if nil is set
if let (_, node) = cache.removeValue(forKey: key) {
lruList.remove(node)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var prev: LinkedListNode?
var next: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
addFront(node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
node.prev = nil
node.next = nil
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
remove(tailNode)
return tailNode.key
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)] = [:]
private var lruList = LinkedList<Key>()
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
// Update existing value and move to front
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Check capacity and evict if necessary
if cache.count >= capacity {
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
// Add new value
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove value if nil is set
if let (_, node) = cache.removeValue(forKey: key) {
lruList.remove(node)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var prev: LinkedListNode?
var next: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let headNode = head {
newNode.next = headNode
headNode.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
remove(node)
addFront(node.key)
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
} else {
node.prev?.next = node.next
}
if node === tail {
tail = node.prev
} else {
node.next?.prev = node.prev
}
node.prev = nil
node.next = nil
}
func removeLast() -> Key? {
guard let tailNode = tail else { return nil }
remove(tailNode)
return tailNode.key
}
}
```if let (element, node) = cache[key] { // immutable value 'element' was never used; consider replacing with '_' or removing itaddFront(node.key) // result of call to 'addFront' is unusedprotocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else { return nil }
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
// If the key already exists, update the value and mark it as recently used
if cache[key] != nil {
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// If the cache is at capacity, remove the least recently used item
if cache.count >= capacity {
let lruKey = order.removeFirst()
cache.removeValue(forKey: lruKey)
}
cache[key] = newValue
}
order.append(key)
} else {
// If the value is nil, remove the key from the cache
if let index = order.firstIndex(of: key) {
order.remove(at: index)
cache.removeValue(forKey: key)
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else { return nil }
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
// If the key already exists, update the value and mark it as recently used
if cache[key] != nil {
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// If the cache is at capacity, remove the least recently used item
if cache.count >= capacity {
let lruKey = order.removeFirst()
cache.removeValue(forKey: lruKey)
}
cache[key] = newValue
}
order.append(key)
} else {
// If the value is nil, remove the key from the cache
if let index = order.firstIndex(of: key) {
order.remove(at: index)
cache.removeValue(forKey: key)
}
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)]
private var lruList: LinkedList<Key>
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.lruList = LinkedList<Key>()
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
// Move the accessed item to the front of the LRU list
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
// Update existing item
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Add new item
if cache.count >= capacity {
// Remove the least recently used item
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove item if newValue is nil
if let (element, node) = cache.removeValue(forKey: key) {
lruList.remove(node)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let head = head {
newNode.next = head
head.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func removeLast() -> Key? {
guard let tail = tail else { return nil }
if let prev = tail.prev {
self.tail = prev
prev.next = nil
} else {
head = nil
tail = nil
}
return tail.key
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
// Remove node from its current position
if let prev = node.prev {
prev.next = node.next
}
if let next = node.next {
next.prev = node.prev
}
// If it was the tail, update the tail
if node === tail {
tail = node.prev
}
// Add node to the front
node.prev = nil
node.next = head
head?.prev = node
head = node
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
}
if node === tail {
tail = node.prev
}
if let prev = node.prev {
prev.next = node.next
}
if let next = node.next {
next.prev = node.prev
}
node.prev = nil
node.next = nil
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: (Element, LinkedListNode<Key>)]
private var lruList: LinkedList<Key>
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.lruList = LinkedList<Key>()
}
subscript(key: Key) -> Element? {
get {
guard let (element, node) = cache[key] else {
return nil
}
// Move the accessed item to the front of the LRU list
lruList.moveToFront(node)
return element
}
set {
if let newValue = newValue {
if let (element, node) = cache[key] {
// Update existing item
cache[key] = (newValue, node)
lruList.moveToFront(node)
} else {
// Add new item
if cache.count >= capacity {
// Remove the least recently used item
if let lruKey = lruList.removeLast() {
cache.removeValue(forKey: lruKey)
}
}
let newNode = lruList.addFront(key)
cache[key] = (newValue, newNode)
}
} else {
// Remove item if newValue is nil
if let (element, node) = cache.removeValue(forKey: key) {
lruList.remove(node)
}
}
}
}
}
class LinkedListNode<Key> {
var key: Key
var next: LinkedListNode?
var prev: LinkedListNode?
init(key: Key) {
self.key = key
}
}
class LinkedList<Key> {
private var head: LinkedListNode<Key>?
private var tail: LinkedListNode<Key>?
func addFront(_ key: Key) -> LinkedListNode<Key> {
let newNode = LinkedListNode(key: key)
if let head = head {
newNode.next = head
head.prev = newNode
} else {
tail = newNode
}
head = newNode
return newNode
}
func removeLast() -> Key? {
guard let tail = tail else { return nil }
if let prev = tail.prev {
self.tail = prev
prev.next = nil
} else {
head = nil
tail = nil
}
return tail.key
}
func moveToFront(_ node: LinkedListNode<Key>) {
guard node !== head else { return }
// Remove node from its current position
if let prev = node.prev {
prev.next = node.next
}
if let next = node.next {
next.prev = node.prev
}
// If it was the tail, update the tail
if node === tail {
tail = node.prev
}
// Add node to the front
node.prev = nil
node.next = head
head?.prev = node
head = node
}
func remove(_ node: LinkedListNode<Key>) {
if node === head {
head = node.next
}
if node === tail {
tail = node.prev
}
if let prev = node.prev {
prev.next = node.next
}
if let next = node.next {
next.prev = node.prev
}
node.prev = nil
node.next = nil
}
}
```if let (element, node) = cache[key] { // immutable value 'element' was never used; consider replacing with '_' or removing itif let (element, node) = cache.removeValue(forKey: key) { // immutable value 'element' was never used; consider replacing with '_' or removing ittail = nil // cannot assign to value: 'tail' is a 'let' constanttail = nil // 'nil' cannot be assigned to type 'LinkedListNode<Key>'protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let element = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value
cache[key] = newValue
// Move the accessed key to the end
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
// Mark this key as recently used
order.append(key)
} else {
// If newValue is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let element = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value
cache[key] = newValue
// Move the accessed key to the end
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
// Mark this key as recently used
order.append(key)
} else {
// If newValue is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else { return nil }
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value and mark it as recently used
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// If the new value is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else { return nil }
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value and mark it as recently used
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// If the new value is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value
cache[key] = newValue
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new key-value pair
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// If newValue is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value
cache[key] = newValue
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new key-value pair
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// If newValue is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value and mark it as recently used
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
order.append(key)
} else {
// If newValue is nil, remove the key from cache and order
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value and mark it as recently used
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
order.append(key)
} else {
// If newValue is nil, remove the key from cache and order
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let element = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value
cache[key] = newValue
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new key-value pair
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// If the new value is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let element = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return element
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value
cache[key] = newValue
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new key-value pair
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// If the new value is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
if let value = cache[key] {
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
return nil
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value and mark it as recently used
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// If the cache is at capacity, remove the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// If the value is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
if let value = cache[key] {
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
return nil
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value and mark it as recently used
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// If the cache is at capacity, remove the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// If the value is nil, remove the key from the cache
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value and mark it as recently used
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
order.append(key)
} else {
// Remove the key if the new value is nil
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
guard let value = cache[key] else {
return nil
}
// Move the accessed key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
order.append(key)
}
return value
}
set {
if let newValue = newValue {
if cache.keys.contains(key) {
// Update existing value and mark it as recently used
cache[key] = newValue
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new value
cache[key] = newValue
}
order.append(key)
} else {
// Remove the key if the new value is nil
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
return cache[key]
}
set {
if let newValue = newValue {
if cache[key] != nil {
// Update existing item
cache[key] = newValue
// Move the key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new item
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// Remove the item if the new value is nil
if let existingValue = cache[key] {
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
}```swift
class Cache<Key: Hashable, Element>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Element]
private var order: [Key]
required init(capacity: Int) {
self.capacity = capacity
self.cache = [:]
self.order = []
}
subscript(key: Key) -> Element? {
get {
return cache[key]
}
set {
if let newValue = newValue {
if cache[key] != nil {
// Update existing item
cache[key] = newValue
// Move the key to the end to mark it as recently used
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
} else {
// Check if we need to evict the least recently used item
if cache.count >= capacity {
if let lruKey = order.first {
cache.removeValue(forKey: lruKey)
order.removeFirst()
}
}
// Add the new item
cache[key] = newValue
}
// Mark the key as recently used
order.append(key)
} else {
// Remove the item if the new value is nil
if let existingValue = cache[key] {
cache.removeValue(forKey: key)
if let index = order.firstIndex(of: key) {
order.remove(at: index)
}
}
}
}
}
}
```if let existingValue = cache[key] { // value 'existingValue' was defined but never used; consider replacing with boolean testprotocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```let entry = CacheEntry(value: value, expirationDate: expirationDate) // incorrect argument label in call (have 'value:expirationDate:', expected 'value:expiration:')Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 3600) // Default expiration of 1 hour
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 3600) // Default expiration of 1 hour
} else {
cache.removeValue(forKey: key)
}
}
}
}
```let entry = CacheEntry(value: value, expirationDate: expirationDate) // incorrect argument label in call (have 'value:expirationDate:', expected 'value:expiration:')Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```let entry = CacheEntry(value: value, expirationDate: expirationDate) // incorrect argument label in call (have 'value:expirationDate:', expected 'value:expiration:')Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```let entry = CacheEntry(value: value, expirationDate: expirationDate) // incorrect argument label in call (have 'value:expirationDate:', expected 'value:expiration:')Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return self.get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return self.get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private struct CacheEntry {
let value: Value
let expirationDate: Date
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private struct CacheEntry {
let value: Value
let expirationDate: Date
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expirationDate: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if Date() > entry.expirationDate {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}```swift
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private class CacheEntry {
let value: Value
let expirationDate: Date
init(value: Value, expiration: Date) {
self.value = value
self.expirationDate = expiration
}
var isExpired: Bool {
return Date() > expirationDate
}
}
private var cache: [Key: CacheEntry] = [:]
func put(value: Value, key: Key, expiration: TimeInterval) {
let expirationDate = Date().addingTimeInterval(expiration)
let entry = CacheEntry(value: value, expiration: expirationDate)
cache[key] = entry
}
func get(key: Key) -> Value? {
guard let entry = cache[key] else {
return nil
}
if entry.isExpired {
cache.removeValue(forKey: key)
return nil
}
return entry.value
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: 60) // Default expiration of 60 seconds
} else {
cache.removeValue(forKey: key)
}
}
}
}
```Thread.sleep(forTimeInterval: 1.1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6Thread.sleep(forTimeInterval: 0.9) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
encryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
decryptedData[i] = data[i] ^ keyData[i % keyData.count]
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = dataByte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let dataByte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = dataByte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}```swift
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
var encryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
encryptedData[i] = byte ^ keyByte
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data(count: data.count)
for i in 0..<data.count {
let byte = data[i]
let keyByte = keyData[i % keyData.count]
decryptedData[i] = byte ^ keyByte
}
return String(data: decryptedData, encoding: .utf8) ?? ""
}
}
```protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > currentTime.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(currentTime)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > currentTime.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(currentTime)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > currentTime.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(currentTime)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > currentTime.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(currentTime)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentDate = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { currentDate.timeIntervalSince($0) < timeInterval }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(currentDate)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentDate = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { currentDate.timeIntervalSince($0) < timeInterval }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(currentDate)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { now.timeIntervalSince($0) < timeInterval }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { now.timeIntervalSince($0) < timeInterval }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { now.timeIntervalSince($0) < timeInterval }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { now.timeIntervalSince($0) < timeInterval }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { now.timeIntervalSince($0) < timeInterval }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { now.timeIntervalSince($0) < timeInterval }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}```swift
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestTimestamps: [Date] = []
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
// Remove timestamps that are outside the time interval
requestTimestamps = requestTimestamps.filter { $0 > now.addingTimeInterval(-timeInterval) }
if requestTimestamps.count < maxRequests {
requestTimestamps.append(now)
return true
} else {
return false
}
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue")
required init(value: Int) {
self.value = value
}
func increment() {
queue.sync {
value += 1
}
}
func currentValue() -> Int {
return queue.sync {
value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue")
required init(value: Int) {
self.value = value
}
func increment() {
queue.sync {
value += 1
}
}
func currentValue() -> Int {
return queue.sync {
value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
var currentValue: Int = 0
queue.sync {
currentValue = self.value
}
return currentValue
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
var currentValue: Int = 0
queue.sync {
currentValue = self.value
}
return currentValue
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
var currentValue: Int = 0
queue.sync {
currentValue = self.value
}
return currentValue
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
var currentValue: Int = 0
queue.sync {
currentValue = self.value
}
return currentValue
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
var currentValue: Int = 0
queue.sync {
currentValue = self.value
}
return currentValue
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
var currentValue: Int = 0
queue.sync {
currentValue = self.value
}
return currentValue
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}```swift
import Foundation
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let queue = DispatchQueue(label: "com.counter.queue", attributes: .concurrent)
required init(value: Int) {
self.value = value
}
func increment() {
queue.async(flags: .barrier) {
self.value += 1
}
}
func currentValue() -> Int {
return queue.sync {
return self.value
}
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}```swift
class Pipeline<Output>: PipelineProtocol {
private var value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
let newValue = transform(value)
return Pipeline<U>(value: newValue)
}
func execute() -> Output {
return value
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var internalValue: Value
required init(value: Value) {
self.internalValue = value
}
var value: Value {
get {
return internalValue
}
set {
internalValue = newValue
notifyObservers()
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(internalValue)
}
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}```swift
import Foundation
class ObservableProperty<Value>: ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value {
didSet {
notifyObservers()
}
}
required init(value: Value) {
self._value = value
}
var value: Value {
get {
return _value
}
set {
_value = newValue
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
private func notifyObservers() {
for observer in observers.values {
observer(_value)
}
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = newValue.clamped(to: range) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = wrappedValue.clamped(to: range)
}
}
extension Comparable {
func clamped(to range: ClosedRange<Self>) -> Self {
return min(max(self, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = newValue.clamped(to: range) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = wrappedValue.clamped(to: range)
}
}
extension Comparable {
func clamped(to range: ClosedRange<Self>) -> Self {
return min(max(self, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = newValue.clamped(to: range) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = wrappedValue.clamped(to: range)
}
}
extension Comparable {
func clamped(to range: ClosedRange<Self>) -> Self {
return min(max(self, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = newValue.clamped(to: range) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = wrappedValue.clamped(to: range)
}
}
extension Comparable {
func clamped(to range: ClosedRange<Self>) -> Self {
return min(max(self, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = min(max(newValue, range.lowerBound), range.upperBound) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = min(max(wrappedValue, range.lowerBound), range.upperBound)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = newValue.clamped(to: range) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = wrappedValue.clamped(to: range)
}
}
extension Comparable {
func clamped(to range: ClosedRange<Self>) -> Self {
return min(max(self, range.lowerBound), range.upperBound)
}
}```swift
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
private var value: Value
private let range: ClosedRange<Value>
var wrappedValue: Value {
get { value }
set { value = newValue.clamped(to: range) }
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.range = range
self.value = wrappedValue.clamped(to: range)
}
}
extension Comparable {
func clamped(to range: ClosedRange<Self>) -> Self {
return min(max(self, range.lowerBound), range.upperBound)
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private var value: Value
private let logger: (Event, Value) -> Void
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}```swift
@propertyWrapper
struct Logged<T>: LoggedProtocol {
private var value: T
private let logger: (Event, T) -> Void
var wrappedValue: T {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
init(wrappedValue: T, logger: @escaping (Event, T) -> Void) {
self.value = wrappedValue
self.logger = logger
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil // No feedback for character selection
case .keyboardDeleteBackwards:
guard !currentSearch.isEmpty else { return nil }
currentSearch.removeLast()
return nil // No feedback for deletion
case .searchButtonPress:
return performSearch()
}
}
private func performSearch() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol WeatherProvider {
func forecast(for city: String) throws -> String
}
enum UserAction {
case keyboardCharacterSelect(Character)
case keyboardDeleteBackwards
case searchButtonPress
}
enum ApplicationFeedback: Equatable {
case success(city: String, forecast: String)
case failure(city: String)
}
protocol WeatherApplicationDependencies {
init(provider: WeatherProvider)
}
protocol WeatherApplicationInteractions {
func handle(action: UserAction) -> ApplicationFeedback?
}
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return searchForecast()
}
}
private func searchForecast() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}```swift
class WeatherApplication: WeatherApplicationProtocol {
private var provider: WeatherProvider
private var currentSearch: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
currentSearch.append(character)
return nil
case .keyboardDeleteBackwards:
if !currentSearch.isEmpty {
currentSearch.removeLast()
}
return nil
case .searchButtonPress:
return searchForecast()
}
}
private func searchForecast() -> ApplicationFeedback? {
do {
let forecast = try provider.forecast(for: currentSearch)
return .success(city: currentSearch, forecast: forecast)
} catch {
return .failure(city: currentSearch)
}
}
}
```protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}```swift
actor BankAccount: BankAccountProtocol {
private var _balance: Double
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
return _balance
}
}
func deposit(amount: Double) async {
guard amount > 0 else { return }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard amount > 0 else { return false }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private var shouldRecompute: Bool
private let compute: () -> Value
private let condition: () -> Bool
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.shouldRecompute = true
}
var wrappedValue: Value {
mutating get {
if shouldRecompute || condition() {
value = compute()
shouldRecompute = false
}
return value!
}
set {
value = newValue
shouldRecompute = false
}
}
mutating func markForRecomputation() {
shouldRecompute = true
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private var shouldRecompute: Bool
private let compute: () -> Value
private let condition: () -> Bool
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.shouldRecompute = true
}
var wrappedValue: Value {
mutating get {
if shouldRecompute || condition() {
value = compute()
shouldRecompute = false
}
return value!
}
set {
value = newValue
shouldRecompute = false
}
}
mutating func markForRecomputation() {
shouldRecompute = true
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
var projectedValue: Value {
return wrappedValue
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
var projectedValue: Value {
return wrappedValue
}
}
```return wrappedValue // cannot use mutating getter on immutable value: 'self' is immutableprotocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
private var lastCondition: Bool = false
var wrappedValue: Value {
mutating get {
if condition() != lastCondition {
value = compute()
lastCondition = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.lastCondition = condition()
self.value = compute()
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
private var lastCondition: Bool = false
var wrappedValue: Value {
mutating get {
if condition() != lastCondition {
value = compute()
lastCondition = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.lastCondition = condition()
self.value = compute()
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private var condition: () -> Bool
private var lastConditionValue: Bool = false
var wrappedValue: Value {
mutating get {
if lastConditionValue != condition() {
value = compute()
lastConditionValue = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
self.lastConditionValue = condition()
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private var condition: () -> Bool
private var lastConditionValue: Bool = false
var wrappedValue: Value {
mutating get {
if lastConditionValue != condition() {
value = compute()
lastConditionValue = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
self.lastConditionValue = condition()
}
}
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valueprotocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private var condition: () -> Bool
private var lastConditionValue: Bool = false
var wrappedValue: Value {
mutating get {
if lastConditionValue != condition() {
value = compute()
lastConditionValue = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
self.lastConditionValue = condition()
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private var condition: () -> Bool
private var lastConditionValue: Bool = false
var wrappedValue: Value {
mutating get {
if lastConditionValue != condition() {
value = compute()
lastConditionValue = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
self.lastConditionValue = condition()
}
}
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valueprotocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private var condition: () -> Bool
private var lastConditionValue: Bool = false
var wrappedValue: Value {
mutating get {
if lastConditionValue != condition() {
value = compute()
lastConditionValue = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
self.lastConditionValue = condition()
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private var condition: () -> Bool
private var lastConditionValue: Bool = false
var wrappedValue: Value {
mutating get {
if lastConditionValue != condition() {
value = compute()
lastConditionValue = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
self.lastConditionValue = condition()
}
}
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valueprotocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private var condition: () -> Bool
private var lastConditionValue: Bool = false
var wrappedValue: Value {
mutating get {
if condition() != lastConditionValue {
value = compute()
lastConditionValue = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private var condition: () -> Bool
private var lastConditionValue: Bool = false
var wrappedValue: Value {
mutating get {
if condition() != lastConditionValue {
value = compute()
lastConditionValue = condition()
}
return value!
}
set {
value = newValue
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
self.value = nil
}
}
``` // Fatal error: Unexpectedly found nil while unwrapping an Optional valueprotocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
}```swift
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let compute: () -> Value
private let condition: () -> Bool
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { x in
rhs(lhs(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { x in
rhs(lhs(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ lhs: @escaping (A) -> B, _ rhs: @escaping (B) -> C) -> (A) -> C {
return { a in
return rhs(lhs(a))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ lhs: @escaping (A) -> B, _ rhs: @escaping (B) -> C) -> (A) -> C {
return { a in
return rhs(lhs(a))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { x in
rhs(lhs(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { x in
rhs(lhs(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in
g(f(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ lhs: @escaping (A) -> B, _ rhs: @escaping (B) -> C) -> (A) -> C {
return { x in
rhs(lhs(x))
}
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ lhs: @escaping (A) -> B, _ rhs: @escaping (B) -> C) -> (A) -> C {
return { x in
rhs(lhs(x))
}
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { g(f($0)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}
```infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}```swift
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: DefaultPrecedence
}
infix operator >>>: FunctionCompositionPrecedence
func >>> <A, B, C>(_ f: @escaping (A) -> B, _ g: @escaping (B) -> C) -> (A) -> C {
return { x in g(f(x)) }
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hash = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error if needed
break
} else if bytesRead == 0 {
// End of stream
break
}
hash.update(data: Data(buffer[0..<bytesRead]))
}
return hash.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hash = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error if needed
break
} else if bytesRead == 0 {
// End of stream
break
}
hash.update(data: Data(buffer[0..<bytesRead]))
}
return hash.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hash = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead > 0 {
hash.update(data: Data(bytes: buffer, count: bytesRead))
} else {
break
}
}
return hash.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hash = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead > 0 {
hash.update(data: Data(bytes: buffer, count: bytesRead))
} else {
break
}
}
return hash.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var sha256 = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
sha256.update(data: Data(buffer[0..<bytesRead]))
}
return sha256.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var sha256 = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
sha256.update(data: Data(buffer[0..<bytesRead]))
}
return sha256.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error if needed
break
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error if needed
break
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hash = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hash.update(data: Data(buffer[0..<bytesRead]))
}
return hash.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hash = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hash.update(data: Data(buffer[0..<bytesRead]))
}
return hash.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hash = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
break
} else if bytesRead == 0 {
// End of stream
break
}
hash.update(data: Data(buffer[0..<bytesRead]))
}
return hash.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hash = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
break
} else if bytesRead == 0 {
// End of stream
break
}
hash.update(data: Data(buffer[0..<bytesRead]))
}
return hash.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var context = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
context.update(data: Data(buffer[0..<bytesRead]))
}
return context.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var context = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
context.update(data: Data(buffer[0..<bytesRead]))
}
return context.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error if needed
break
} else if bytesRead == 0 {
// End of stream
break
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error if needed
break
} else if bytesRead == 0 {
// End of stream
break
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead > 0 {
hasher.update(data: Data(buffer[0..<bytesRead]))
} else {
break
}
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead > 0 {
hasher.update(data: Data(buffer[0..<bytesRead]))
} else {
break
}
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var sha256 = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
break
} else if bytesRead == 0 {
// No more data to read
break
}
sha256.update(data: Data(buffer[0..<bytesRead]))
}
return sha256.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var sha256 = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
break
} else if bytesRead == 0 {
// No more data to read
break
}
sha256.update(data: Data(buffer[0..<bytesRead]))
}
return sha256.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error if needed
break
} else if bytesRead == 0 {
// End of stream
break
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error if needed
break
} else if bytesRead == 0 {
// End of stream
break
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var context = SHA256()
inputStream.open()
defer {
inputStream.close()
}
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead > 0 {
context.update(data: Data(bytes: buffer, count: bytesRead))
} else {
break
}
}
return context.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var context = SHA256()
inputStream.open()
defer {
inputStream.close()
}
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead > 0 {
context.update(data: Data(bytes: buffer, count: bytesRead))
} else {
break
}
}
return context.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var hasher = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
inputStream.open()
defer { inputStream.close() }
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle error
fatalError("Error reading from input stream")
} else if bytesRead == 0 {
break // End of stream
}
hasher.update(data: Data(buffer[0..<bytesRead]))
}
return hasher.finalize()
}
```typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for int8Value in tupleArray {
if int8Value == 0 {
break
}
if let scalar = UnicodeScalar(int8Value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for int8Value in tupleArray {
if int8Value == 0 {
break
}
if let scalar = UnicodeScalar(int8Value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(int8Value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
chars.append(Character(scalar))
}
}
self = String(chars)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
chars.append(Character(scalar))
}
}
self = String(chars)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for char in tupleArray {
if char == 0 {
break
}
if let scalar = UnicodeScalar(char) {
chars.append(Character(scalar))
}
}
self.init(chars)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for char in tupleArray {
if char == 0 {
break
}
if let scalar = UnicodeScalar(char) {
chars.append(Character(scalar))
}
}
self.init(chars)
}
}
```if let scalar = UnicodeScalar(char) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for char in tupleArray {
if char == 0 {
break
}
if let scalar = UnicodeScalar(char) {
chars.append(Character(scalar))
}
}
self.init(chars)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for char in tupleArray {
if char == 0 {
break
}
if let scalar = UnicodeScalar(char) {
chars.append(Character(scalar))
}
}
self.init(chars)
}
}
```if let scalar = UnicodeScalar(char) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 { // Null terminator
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self.init(characters: characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 { // Null terminator
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self.init(characters: characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializerself.init(characters: characters) // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for int8Value in tupleArray {
if int8Value == 0 {
break
}
if let scalar = UnicodeScalar(Int(int8Value)) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for int8Value in tupleArray {
if int8Value == 0 {
break
}
if let scalar = UnicodeScalar(Int(int8Value)) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
chars.append(Character(scalar))
}
}
self = String(chars)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
chars.append(Character(scalar))
}
}
self = String(chars)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for char in tupleArray {
if char == 0 {
break
}
if let scalar = UnicodeScalar(char) {
chars.append(Character(scalar))
}
}
self.init(chars)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for char in tupleArray {
if char == 0 {
break
}
if let scalar = UnicodeScalar(char) {
chars.append(Character(scalar))
}
}
self.init(chars)
}
}
```if let scalar = UnicodeScalar(char) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
chars.append(Character(scalar))
}
}
self = String(chars)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var chars: [Character] = []
let values = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in values {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
chars.append(Character(scalar))
}
}
self = String(chars)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 { // Null terminator
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 { // Null terminator
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self.init(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for value in tupleArray {
if value == 0 {
break
}
if let scalar = UnicodeScalar(value) {
characters.append(Character(scalar))
}
}
self.init(characters)
}
}
```if let scalar = UnicodeScalar(value) { // no exact matches in call to initializertypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for int8Value in tupleArray {
if int8Value == 0 {
break
}
if let scalar = UnicodeScalar(Int(int8Value)) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}```swift
extension String {
init(tuple16: Tuple16) {
var characters: [Character] = []
let tupleArray = [tuple16.0, tuple16.1, tuple16.2, tuple16.3, tuple16.4, tuple16.5, tuple16.6, tuple16.7,
tuple16.8, tuple16.9, tuple16.10, tuple16.11, tuple16.12, tuple16.13, tuple16.14, tuple16.15]
for int8Value in tupleArray {
if int8Value == 0 {
break
}
if let scalar = UnicodeScalar(Int(int8Value)) {
characters.append(Character(scalar))
}
}
self = String(characters)
}
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly))
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly))
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly))
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly))
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = bytesPerRow1 * height1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly))
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly))
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly))
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly))
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = bytesPerRow1 * height1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly)) // cannot find 'readOnly' in scopeCVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly)) // cannot find 'readOnly' in scopeCVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly)) // cannot find 'readOnly' in scopeCVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly)) // cannot find 'readOnly' in scopeimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly))
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly))
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly))
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly))
}
// Get the base addresses of the pixel buffers
let baseAddress1 = CVPixelBufferGetBaseAddress(lhs)
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs)
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
let data1 = UnsafeRawPointer(baseAddress1)
let data2 = UnsafeRawPointer(baseAddress2)
return memcmp(data1, data2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly))
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly))
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly))
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly))
}
// Get the base addresses of the pixel buffers
let baseAddress1 = CVPixelBufferGetBaseAddress(lhs)
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs)
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
let data1 = UnsafeRawPointer(baseAddress1)
let data2 = UnsafeRawPointer(baseAddress2)
return memcmp(data1, data2, totalBytes) == 0
}
```CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly)) // cannot find 'readOnly' in scopeCVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly)) // cannot find 'readOnly' in scopeCVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags(readOnly)) // cannot find 'readOnly' in scopeCVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags(readOnly)) // cannot find 'readOnly' in scopeimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure that the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure that the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure that the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
let data1 = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let data2 = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return data1.elementsEqual(data2)
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure that the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
let data1 = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let data2 = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return data1.elementsEqual(data2)
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Check if the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Check if the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers are not nil
guard let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs),
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Compare pixel buffer sizes
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
guard lhsWidth == rhsWidth && lhsHeight == rhsHeight else {
return false
}
// Compare pixel formats
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
guard lhsPixelFormat == rhsPixelFormat else {
return false
}
// Compare pixel buffer contents
let bytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let totalBytes = bytesPerRow * lhsHeight
let lhsData = UnsafeRawPointer(lhsBaseAddress)
let rhsData = UnsafeRawPointer(rhsBaseAddress)
return memcmp(lhsData, rhsData, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers are not nil
guard let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs),
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Compare pixel buffer sizes
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
guard lhsWidth == rhsWidth && lhsHeight == rhsHeight else {
return false
}
// Compare pixel formats
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
guard lhsPixelFormat == rhsPixelFormat else {
return false
}
// Compare pixel buffer contents
let bytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let totalBytes = bytesPerRow * lhsHeight
let lhsData = UnsafeRawPointer(lhsBaseAddress)
let rhsData = UnsafeRawPointer(rhsBaseAddress)
return memcmp(lhsData, rhsData, totalBytes) == 0
}
``` // XCTAssertTrue failedimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Check if the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data byte by byte
let totalBytes = height1 * bytesPerRow1
let buffer1 = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let buffer2 = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return buffer1.elementsEqual(buffer2)
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Check if the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data byte by byte
let totalBytes = height1 * bytesPerRow1
let buffer1 = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let buffer2 = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return buffer1.elementsEqual(buffer2)
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the number of bytes per row
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
for row in 0..<height1 {
let offset1 = row * bytesPerRow1
let offset2 = row * bytesPerRow2
let buffer1 = baseAddress1.advanced(by: offset1)
let buffer2 = baseAddress2.advanced(by: offset2)
if memcmp(buffer1, buffer2, min(bytesPerRow1, bytesPerRow2)) != 0 {
return false
}
}
return true
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the number of bytes per row
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
for row in 0..<height1 {
let offset1 = row * bytesPerRow1
let offset2 = row * bytesPerRow2
let buffer1 = baseAddress1.advanced(by: offset1)
let buffer2 = baseAddress2.advanced(by: offset2)
if memcmp(buffer1, buffer2, min(bytesPerRow1, bytesPerRow2)) != 0 {
return false
}
}
return true
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
let buffer1Data = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let buffer2Data = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return buffer1Data.elementsEqual(buffer2Data)
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
let buffer1Data = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let buffer2Data = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return buffer1Data.elementsEqual(buffer2Data)
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Check if the number of bytes per row is the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer content byte by byte
let totalBytes = bytesPerRow1 * height1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Check if the number of bytes per row is the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer content byte by byte
let totalBytes = bytesPerRow1 * height1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
guard lhsWidth == rhsWidth && lhsHeight == rhsHeight else {
return false
}
// Check if both pixel buffers have the same pixel format
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
guard lhsPixelFormat == rhsPixelFormat else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs),
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let totalBytes = bytesPerRow * lhsHeight
// Compare the pixel buffer contents
let lhsData = UnsafeRawBufferPointer(start: lhsBaseAddress, count: totalBytes)
let rhsData = UnsafeRawBufferPointer(start: rhsBaseAddress, count: totalBytes)
return lhsData.elementsEqual(rhsData)
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
guard lhsWidth == rhsWidth && lhsHeight == rhsHeight else {
return false
}
// Check if both pixel buffers have the same pixel format
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
guard lhsPixelFormat == rhsPixelFormat else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs),
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let totalBytes = bytesPerRow * lhsHeight
// Compare the pixel buffer contents
let lhsData = UnsafeRawBufferPointer(start: lhsBaseAddress, count: totalBytes)
let rhsData = UnsafeRawBufferPointer(start: rhsBaseAddress, count: totalBytes)
return lhsData.elementsEqual(rhsData)
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the number of bytes per row
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
for row in 0..<height1 {
let offset = row * bytesPerRow1
let buffer1Row = baseAddress1.advanced(by: offset)
let buffer2Row = baseAddress2.advanced(by: offset)
if memcmp(buffer1Row, buffer2Row, min(bytesPerRow1, bytesPerRow2)) != 0 {
return false
}
}
return true
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the number of bytes per row
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
for row in 0..<height1 {
let offset = row * bytesPerRow1
let buffer1Row = baseAddress1.advanced(by: offset)
let buffer2Row = baseAddress2.advanced(by: offset)
if memcmp(buffer1Row, buffer2Row, min(bytesPerRow1, bytesPerRow2)) != 0 {
return false
}
}
return true
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
let data1 = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let data2 = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return data1.elementsEqual(data2)
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
let data1 = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let data2 = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return data1.elementsEqual(data2)
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel buffer contents
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
let totalBytes = min(height1 * bytesPerRow1, height2 * bytesPerRow2)
let buffer1Data = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let buffer2Data = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return buffer1Data.elementsEqual(buffer2Data)
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
let totalBytes = min(height1 * bytesPerRow1, height2 * bytesPerRow2)
let buffer1Data = UnsafeRawBufferPointer(start: baseAddress1, count: totalBytes)
let buffer2Data = UnsafeRawBufferPointer(start: baseAddress2, count: totalBytes)
return buffer1Data.elementsEqual(buffer2Data)
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the number of bytes per row
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
for row in 0..<height1 {
let offset1 = row * bytesPerRow1
let offset2 = row * bytesPerRow2
let rowData1 = baseAddress1.advanced(by: offset1)
let rowData2 = baseAddress2.advanced(by: offset2)
// Compare the bytes in each row
if memcmp(rowData1, rowData2, min(bytesPerRow1, bytesPerRow2)) != 0 {
return false
}
}
return true
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the number of bytes per row
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
for row in 0..<height1 {
let offset1 = row * bytesPerRow1
let offset2 = row * bytesPerRow2
let rowData1 = baseAddress1.advanced(by: offset1)
let rowData2 = baseAddress2.advanced(by: offset2)
// Compare the bytes in each row
if memcmp(rowData1, rowData2, min(bytesPerRow1, bytesPerRow2)) != 0 {
return false
}
}
return true
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = bytesPerRow1 * height1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same width and height
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
guard let baseAddress1 = CVPixelBufferGetBaseAddress(lhs),
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs) else {
return false
}
// Calculate the size of the pixel buffer
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Ensure the bytes per row are the same
guard bytesPerRow1 == bytesPerRow2 else {
return false
}
// Compare the pixel data
let totalBytes = bytesPerRow1 * height1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
let baseAddress1 = CVPixelBufferGetBaseAddress(lhs)
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs)
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
// Check if both pixel buffers have the same size
let width1 = CVPixelBufferGetWidth(lhs)
let height1 = CVPixelBufferGetHeight(lhs)
let width2 = CVPixelBufferGetWidth(rhs)
let height2 = CVPixelBufferGetHeight(rhs)
guard width1 == width2 && height1 == height2 else {
return false
}
// Check if both pixel buffers have the same pixel format
let pixelFormat1 = CVPixelBufferGetPixelFormatType(lhs)
let pixelFormat2 = CVPixelBufferGetPixelFormatType(rhs)
guard pixelFormat1 == pixelFormat2 else {
return false
}
// Lock the pixel buffers for reading
CVPixelBufferLockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferLockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
defer {
// Unlock the pixel buffers after comparison
CVPixelBufferUnlockBaseAddress(lhs, CVPixelBufferLockFlags.readOnly)
CVPixelBufferUnlockBaseAddress(rhs, CVPixelBufferLockFlags.readOnly)
}
// Get the base addresses of the pixel buffers
let baseAddress1 = CVPixelBufferGetBaseAddress(lhs)
let baseAddress2 = CVPixelBufferGetBaseAddress(rhs)
// Calculate the size of the pixel buffer in bytes
let bytesPerRow1 = CVPixelBufferGetBytesPerRow(lhs)
let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs)
// Compare the pixel data
let totalBytes = height1 * bytesPerRow1
return memcmp(baseAddress1, baseAddress2, totalBytes) == 0
}
```let bytesPerRow2 = CVPixelBufferGetBytesPerRow(rhs) // initialization of immutable value 'bytesPerRow2' was never used; consider replacing with assignment to '_' or removing itstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: items.withUnsafeMutableBytes { $0.baseAddress!.assumingMemoryBound(to: PrivateItem.self) })
let publicPointer = UnsafeMutablePointer<PublicItem>(mutating: privatePointer)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: items.withUnsafeMutableBytes { $0.baseAddress!.assumingMemoryBound(to: PrivateItem.self) })
let publicPointer = UnsafeMutablePointer<PublicItem>(mutating: privatePointer)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: items.withUnsafeMutableBytes { $0.baseAddress!.assumingMemoryBound(to: PrivateItem.self) }) // cannot use mutating member on immutable value: 'items' is a 'let' constantstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let size = MemoryLayout<PrivateItem>.size
let publicItemSize = MemoryLayout<PublicItem>.size
// Ensure the memory layout is compatible
assert(size == publicItemSize, "Memory layout of PrivateItem and PublicItem must be identical")
// Create a buffer to hold the private items
var privateItemsBuffer = items
// Create a pointer to the buffer
let privatePointer = UnsafeMutablePointer(&privateItemsBuffer)
// Create a pointer to the public items
let publicPointer = UnsafeMutablePointer<PublicItem>(privatePointer)
// Create an array of PublicItem from the pointer
let publicItems = UnsafeBufferPointer(start: publicPointer, count: count).map { $0 }
return Array(publicItems)
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let size = MemoryLayout<PrivateItem>.size
let publicItemSize = MemoryLayout<PublicItem>.size
// Ensure the memory layout is compatible
assert(size == publicItemSize, "Memory layout of PrivateItem and PublicItem must be identical")
// Create a buffer to hold the private items
var privateItemsBuffer = items
// Create a pointer to the buffer
let privatePointer = UnsafeMutablePointer(&privateItemsBuffer)
// Create a pointer to the public items
let publicPointer = UnsafeMutablePointer<PublicItem>(privatePointer)
// Create an array of PublicItem from the pointer
let publicItems = UnsafeBufferPointer(start: publicPointer, count: count).map { $0 }
return Array(publicItems)
}
```let privatePointer = UnsafeMutablePointer(&privateItemsBuffer) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerlet publicPointer = UnsafeMutablePointer<PublicItem>(privatePointer) // no exact matches in call to initializerlet publicItems = UnsafeBufferPointer(start: publicPointer, count: count).map { $0 } // cannot infer type of closure parameter '$0' without a type annotationstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let size = MemoryLayout<PrivateItem>.size
let publicItemsPointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
// Copy the memory of PrivateItem to PublicItem
for i in 0..<count {
let privateItemPointer = UnsafeRawPointer(&items[i]).assumingMemoryBound(to: PrivateItem.self)
let publicItemPointer = publicItemsPointer.advanced(by: i)
publicItemPointer.initialize(to: PublicItem(value: privateItemPointer.pointee.value))
}
let publicItemsArray = Array(UnsafeBufferPointer(start: publicItemsPointer, count: count))
publicItemsPointer.deallocate()
return publicItemsArray
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let size = MemoryLayout<PrivateItem>.size
let publicItemsPointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
// Copy the memory of PrivateItem to PublicItem
for i in 0..<count {
let privateItemPointer = UnsafeRawPointer(&items[i]).assumingMemoryBound(to: PrivateItem.self)
let publicItemPointer = publicItemsPointer.advanced(by: i)
publicItemPointer.initialize(to: PublicItem(value: privateItemPointer.pointee.value))
}
let publicItemsArray = Array(UnsafeBufferPointer(start: publicItemsPointer, count: count))
publicItemsPointer.deallocate()
return publicItemsArray
}
```let privateItemPointer = UnsafeRawPointer(&items[i]).assumingMemoryBound(to: PrivateItem.self) // no exact matches in call to initializerlet privateItemPointer = UnsafeRawPointer(&items[i]).assumingMemoryBound(to: PrivateItem.self) // cannot pass immutable value as inout argument: 'items' is a 'let' constantstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: items as [PrivateItem])
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: items as [PrivateItem])
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: items as [PrivateItem]) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items)) // initialization of 'UnsafePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items)) // initialization of 'UnsafePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let size = MemoryLayout<PrivateItem>.size
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let size = MemoryLayout<PrivateItem>.size
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let size = MemoryLayout<PrivateItem>.size // initialization of immutable value 'size' was never used; consider replacing with assignment to '_' or removing itlet privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items)) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items)) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items)) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items)) // initialization of 'UnsafePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
let publicItem = publicPointer[i]
publicItems.append(publicItem)
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
let publicItem = publicPointer[i]
publicItems.append(publicItem)
}
return publicItems
}
```let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items)) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let size = MemoryLayout<PrivateItem>.size
let publicItemSize = MemoryLayout<PublicItem>.size
// Ensure that the memory layout is compatible
precondition(size == publicItemSize, "Memory layout of PrivateItem and PublicItem must be identical")
// Create a buffer to hold the raw bytes of the PrivateItem array
let buffer = UnsafeMutableRawPointer.allocate(byteCount: count * size, alignment: MemoryLayout<PrivateItem>.alignment)
defer {
buffer.deallocate()
}
// Copy the memory of the PrivateItem array into the buffer
let privatePointer = UnsafeRawPointer(items).assumingMemoryBound(to: PrivateItem.self)
buffer.copyBytes(from: privatePointer, count: count * size)
// Create an array of PublicItem by reinterpreting the memory
let publicPointer = buffer.assumingMemoryBound(to: PublicItem.self)
let publicItems = Array(UnsafeBufferPointer(start: publicPointer, count: count))
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let size = MemoryLayout<PrivateItem>.size
let publicItemSize = MemoryLayout<PublicItem>.size
// Ensure that the memory layout is compatible
precondition(size == publicItemSize, "Memory layout of PrivateItem and PublicItem must be identical")
// Create a buffer to hold the raw bytes of the PrivateItem array
let buffer = UnsafeMutableRawPointer.allocate(byteCount: count * size, alignment: MemoryLayout<PrivateItem>.alignment)
defer {
buffer.deallocate()
}
// Copy the memory of the PrivateItem array into the buffer
let privatePointer = UnsafeRawPointer(items).assumingMemoryBound(to: PrivateItem.self)
buffer.copyBytes(from: privatePointer, count: count * size)
// Create an array of PublicItem by reinterpreting the memory
let publicPointer = buffer.assumingMemoryBound(to: PublicItem.self)
let publicItems = Array(UnsafeBufferPointer(start: publicPointer, count: count))
return publicItems
}
```let privatePointer = UnsafeRawPointer(items).assumingMemoryBound(to: PrivateItem.self) // initialization of 'UnsafeRawPointer' results in a dangling pointerbuffer.copyBytes(from: privatePointer, count: count * size) // 'copyBytes(from:count:)' has been renamed to 'copyMemory(from:byteCount:)'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items)) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items)) // initialization of 'UnsafePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items)) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items)) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items))
let publicPointer = privatePointer.bindMemory(to: PublicItem.self, capacity: count)
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeRawPointer(UnsafeMutablePointer(mutating: items)) // initialization of 'UnsafeMutablePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
publicItems.reserveCapacity(count)
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
publicItems.reserveCapacity(count)
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items)) // initialization of 'UnsafePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items)) // initialization of 'UnsafePointer<PrivateItem>' results in a dangling pointerstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}```swift
func reveal(items: [PrivateItem]) -> [PublicItem] {
let count = items.count
let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items))
let publicPointer = UnsafeMutablePointer<PublicItem>(OpaquePointer(privatePointer))
var publicItems = [PublicItem]()
for i in 0..<count {
publicItems.append(publicPointer[i])
}
return publicItems
}
```let privatePointer = UnsafeMutablePointer<PrivateItem>(mutating: UnsafePointer(items)) // initialization of 'UnsafePointer<PrivateItem>' results in a dangling pointerenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0...2].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0...2].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : ""
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : ""
if lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
return .orderedDescending
} else if !lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedAscending
} else if !lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
let lhsPreReleaseComponents = lhsPreRelease.split(separator: ".")
let rhsPreReleaseComponents = rhsPreRelease.split(separator: ".")
for (lhsTag, rhsTag) in zip(lhsPreReleaseComponents, rhsPreReleaseComponents) {
if lhsTag != rhsTag {
return lhsTag < rhsTag ? .orderedAscending : .orderedDescending
}
}
return lhsPreReleaseComponents.count < rhsPreReleaseComponents.count ? .orderedAscending : .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0...2].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0...2].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : ""
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : ""
if lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
return .orderedDescending
} else if !lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedAscending
} else if !lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
let lhsPreReleaseComponents = lhsPreRelease.split(separator: ".")
let rhsPreReleaseComponents = rhsPreRelease.split(separator: ".")
for (lhsTag, rhsTag) in zip(lhsPreReleaseComponents, rhsPreReleaseComponents) {
if lhsTag != rhsTag {
return lhsTag < rhsTag ? .orderedAscending : .orderedDescending
}
}
return lhsPreReleaseComponents.count < rhsPreReleaseComponents.count ? .orderedAscending : .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? lhsComponents[3] : ""
let rhsPreRelease = rhsComponents.count > 3 ? rhsComponents[3] : ""
if lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
return .orderedDescending
} else if !lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedAscending
} else if !lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
let lhsPreReleaseParts = lhsPreRelease.split(separator: ".")
let rhsPreReleaseParts = rhsPreRelease.split(separator: ".")
for (lhsTag, rhsTag) in zip(lhsPreReleaseParts, rhsPreReleaseParts) {
if let lhsInt = Int(lhsTag), let rhsInt = Int(rhsTag) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsTag < rhsTag {
return .orderedAscending
} else if lhsTag > rhsTag {
return .orderedDescending
}
}
}
if lhsPreReleaseParts.count < rhsPreReleaseParts.count {
return .orderedAscending
} else if lhsPreReleaseParts.count > rhsPreReleaseParts.count {
return .orderedDescending
}
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? lhsComponents[3] : ""
let rhsPreRelease = rhsComponents.count > 3 ? rhsComponents[3] : ""
if lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
return .orderedDescending
} else if !lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedAscending
} else if !lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
let lhsPreReleaseParts = lhsPreRelease.split(separator: ".")
let rhsPreReleaseParts = rhsPreRelease.split(separator: ".")
for (lhsTag, rhsTag) in zip(lhsPreReleaseParts, rhsPreReleaseParts) {
if let lhsInt = Int(lhsTag), let rhsInt = Int(rhsTag) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsTag < rhsTag {
return .orderedAscending
} else if lhsTag > rhsTag {
return .orderedDescending
}
}
}
if lhsPreReleaseParts.count < rhsPreReleaseParts.count {
return .orderedAscending
} else if lhsPreReleaseParts.count > rhsPreReleaseParts.count {
return .orderedDescending
}
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0...2].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0...2].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : ""
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : ""
if lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
return .orderedDescending
} else if !lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedAscending
} else if !lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
let lhsPreReleaseParts = lhsPreRelease.split(separator: ".")
let rhsPreReleaseParts = rhsPreRelease.split(separator: ".")
let minCount = min(lhsPreReleaseParts.count, rhsPreReleaseParts.count)
for i in 0..<minCount {
let lhsPart = String(lhsPreReleaseParts[i])
let rhsPart = String(rhsPreReleaseParts[i])
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsPreReleaseParts.count < rhsPreReleaseParts.count {
return .orderedAscending
} else if lhsPreReleaseParts.count > rhsPreReleaseParts.count {
return .orderedDescending
}
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0...2].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0...2].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : ""
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : ""
if lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
return .orderedDescending
} else if !lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedAscending
} else if !lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
let lhsPreReleaseParts = lhsPreRelease.split(separator: ".")
let rhsPreReleaseParts = rhsPreRelease.split(separator: ".")
let minCount = min(lhsPreReleaseParts.count, rhsPreReleaseParts.count)
for i in 0..<minCount {
let lhsPart = String(lhsPreReleaseParts[i])
let rhsPart = String(rhsPreReleaseParts[i])
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsPreReleaseParts.count < rhsPreReleaseParts.count {
return .orderedAscending
} else if lhsPreReleaseParts.count > rhsPreReleaseParts.count {
return .orderedDescending
}
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMain = lhsComponents[0..<lhsComponents.count - 1]
let rhsMain = rhsComponents[0..<rhsComponents.count - 1]
let lhsPreRelease = lhsComponents.last.map(String.init) ?? ""
let rhsPreRelease = rhsComponents.last.map(String.init) ?? ""
let lhsVersionNumbers = lhsMain.compactMap { Int($0) }
let rhsVersionNumbers = rhsMain.compactMap { Int($0) }
let minCount = min(lhsVersionNumbers.count, rhsVersionNumbers.count)
for i in 0..<minCount {
if lhsVersionNumbers[i] < rhsVersionNumbers[i] {
return .orderedAscending
} else if lhsVersionNumbers[i] > rhsVersionNumbers[i] {
return .orderedDescending
}
}
if lhsVersionNumbers.count < rhsVersionNumbers.count {
return .orderedAscending
} else if lhsVersionNumbers.count > rhsVersionNumbers.count {
return .orderedDescending
}
// Handle pre-release versions
if lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
return .orderedDescending
} else if !lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedAscending
} else if lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedSame
}
let lhsPreReleaseComponents = lhsPreRelease.split(separator: ".")
let rhsPreReleaseComponents = rhsPreRelease.split(separator: ".")
let minPreReleaseCount = min(lhsPreReleaseComponents.count, rhsPreReleaseComponents.count)
for i in 0..<minPreReleaseCount {
if lhsPreReleaseComponents[i] < rhsPreReleaseComponents[i] {
return .orderedAscending
} else if lhsPreReleaseComponents[i] > rhsPreReleaseComponents[i] {
return .orderedDescending
}
}
if lhsPreReleaseComponents.count < rhsPreReleaseComponents.count {
return .orderedAscending
} else if lhsPreReleaseComponents.count > rhsPreReleaseComponents.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMain = lhsComponents[0..<lhsComponents.count - 1]
let rhsMain = rhsComponents[0..<rhsComponents.count - 1]
let lhsPreRelease = lhsComponents.last.map(String.init) ?? ""
let rhsPreRelease = rhsComponents.last.map(String.init) ?? ""
let lhsVersionNumbers = lhsMain.compactMap { Int($0) }
let rhsVersionNumbers = rhsMain.compactMap { Int($0) }
let minCount = min(lhsVersionNumbers.count, rhsVersionNumbers.count)
for i in 0..<minCount {
if lhsVersionNumbers[i] < rhsVersionNumbers[i] {
return .orderedAscending
} else if lhsVersionNumbers[i] > rhsVersionNumbers[i] {
return .orderedDescending
}
}
if lhsVersionNumbers.count < rhsVersionNumbers.count {
return .orderedAscending
} else if lhsVersionNumbers.count > rhsVersionNumbers.count {
return .orderedDescending
}
// Handle pre-release versions
if lhsPreRelease.isEmpty && !rhsPreRelease.isEmpty {
return .orderedDescending
} else if !lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedAscending
} else if lhsPreRelease.isEmpty && rhsPreRelease.isEmpty {
return .orderedSame
}
let lhsPreReleaseComponents = lhsPreRelease.split(separator: ".")
let rhsPreReleaseComponents = rhsPreRelease.split(separator: ".")
let minPreReleaseCount = min(lhsPreReleaseComponents.count, rhsPreReleaseComponents.count)
for i in 0..<minPreReleaseCount {
if lhsPreReleaseComponents[i] < rhsPreReleaseComponents[i] {
return .orderedAscending
} else if lhsPreReleaseComponents[i] > rhsPreReleaseComponents[i] {
return .orderedDescending
}
}
if lhsPreReleaseComponents.count < rhsPreReleaseComponents.count {
return .orderedAscending
} else if lhsPreReleaseComponents.count > rhsPreReleaseComponents.count {
return .orderedDescending
}
return .orderedSame
}
``` // XCTAssertTrue failedenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMain = lhsComponents[0..<lhsComponents.count - (lhsComponents.last?.contains("-") == true ? 1 : 0)]
let rhsMain = rhsComponents[0..<rhsComponents.count - (rhsComponents.last?.contains("-") == true ? 1 : 0)]
let lhsPreRelease = lhsComponents.last?.contains("-") == true ? String(lhsComponents.last!) : nil
let rhsPreRelease = rhsComponents.last?.contains("-") == true ? String(rhsComponents.last!) : nil
for (lhsPart, rhsPart) in zip(lhsMain, rhsMain) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
return .orderedDescending // Non-integer parts are considered greater
}
}
if lhsMain.count < rhsMain.count {
return .orderedAscending
} else if lhsMain.count > rhsMain.count {
return .orderedDescending
}
if let lhsPre = lhsPreRelease, let rhsPre = rhsPreRelease {
return comparePreRelease(lhsPre, rhsPre)
} else if lhsPreRelease != nil {
return .orderedAscending
} else if rhsPreRelease != nil {
return .orderedDescending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsTags = lhs.split(separator: ".")
let rhsTags = rhs.split(separator: ".")
for (lhsTag, rhsTag) in zip(lhsTags, rhsTags) {
if let lhsInt = Int(lhsTag), let rhsInt = Int(rhsTag) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsTag < rhsTag {
return .orderedAscending
} else if lhsTag > rhsTag {
return .orderedDescending
}
}
}
if lhsTags.count < rhsTags.count {
return .orderedAscending
} else if lhsTags.count > rhsTags.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMain = lhsComponents[0..<lhsComponents.count - (lhsComponents.last?.contains("-") == true ? 1 : 0)]
let rhsMain = rhsComponents[0..<rhsComponents.count - (rhsComponents.last?.contains("-") == true ? 1 : 0)]
let lhsPreRelease = lhsComponents.last?.contains("-") == true ? String(lhsComponents.last!) : nil
let rhsPreRelease = rhsComponents.last?.contains("-") == true ? String(rhsComponents.last!) : nil
for (lhsPart, rhsPart) in zip(lhsMain, rhsMain) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
return .orderedDescending // Non-integer parts are considered greater
}
}
if lhsMain.count < rhsMain.count {
return .orderedAscending
} else if lhsMain.count > rhsMain.count {
return .orderedDescending
}
if let lhsPre = lhsPreRelease, let rhsPre = rhsPreRelease {
return comparePreRelease(lhsPre, rhsPre)
} else if lhsPreRelease != nil {
return .orderedAscending
} else if rhsPreRelease != nil {
return .orderedDescending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsTags = lhs.split(separator: ".")
let rhsTags = rhs.split(separator: ".")
for (lhsTag, rhsTag) in zip(lhsTags, rhsTags) {
if let lhsInt = Int(lhsTag), let rhsInt = Int(rhsTag) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsTag < rhsTag {
return .orderedAscending
} else if lhsTag > rhsTag {
return .orderedDescending
}
}
}
if lhsTags.count < rhsTags.count {
return .orderedAscending
} else if lhsTags.count > rhsTags.count {
return .orderedDescending
}
return .orderedSame
}
``` // XCTAssertTrue failedenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhs: lhsPreRelease, rhs: rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedAscending
} else if rhsPreRelease != nil {
return .orderedDescending
}
return .orderedSame
}
private func comparePreRelease(lhs: String, rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhs: lhsPreRelease, rhs: rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedAscending
} else if rhsPreRelease != nil {
return .orderedDescending
}
return .orderedSame
}
private func comparePreRelease(lhs: String, rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedDescending
} else if rhsPreRelease != nil {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedDescending
} else if rhsPreRelease != nil {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsVersionParts = lhsComponents[0..<lhsComponents.count - (lhsComponents.count > 1 ? 1 : 0)]
let lhsPreReleasePart = lhsComponents.last.map(String.init)
let rhsVersionParts = rhsComponents[0..<rhsComponents.count - (rhsComponents.count > 1 ? 1 : 0)]
let rhsPreReleasePart = rhsComponents.last.map(String.init)
for (lhsPart, rhsPart) in zip(lhsVersionParts, rhsVersionParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
return .orderedDescending // Non-integer parts are considered greater
}
}
if lhsVersionParts.count < rhsVersionParts.count {
return .orderedAscending
} else if lhsVersionParts.count > rhsVersionParts.count {
return .orderedDescending
}
// Compare pre-release versions if they exist
if let lhsPreRelease = lhsPreReleasePart, let rhsPreRelease = rhsPreReleasePart {
return comparePreRelease(lhs: lhsPreRelease, rhs: rhsPreRelease)
} else if lhsPreReleasePart != nil {
return .orderedAscending
} else if rhsPreReleasePart != nil {
return .orderedDescending
}
return .orderedSame
}
private func comparePreRelease(lhs: String, rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".")
let rhsComponents = rhs.split(separator: ".")
for (lhsComp, rhsComp) in zip(lhsComponents, rhsComponents) {
if let lhsInt = Int(lhsComp), let rhsInt = Int(rhsComp) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
// Non-integer components are considered less than integers
return .orderedDescending
}
}
if lhsComponents.count < rhsComponents.count {
return .orderedAscending
} else if lhsComponents.count > rhsComponents.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsVersionParts = lhsComponents[0..<lhsComponents.count - (lhsComponents.count > 1 ? 1 : 0)]
let lhsPreReleasePart = lhsComponents.last.map(String.init)
let rhsVersionParts = rhsComponents[0..<rhsComponents.count - (rhsComponents.count > 1 ? 1 : 0)]
let rhsPreReleasePart = rhsComponents.last.map(String.init)
for (lhsPart, rhsPart) in zip(lhsVersionParts, rhsVersionParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
return .orderedDescending // Non-integer parts are considered greater
}
}
if lhsVersionParts.count < rhsVersionParts.count {
return .orderedAscending
} else if lhsVersionParts.count > rhsVersionParts.count {
return .orderedDescending
}
// Compare pre-release versions if they exist
if let lhsPreRelease = lhsPreReleasePart, let rhsPreRelease = rhsPreReleasePart {
return comparePreRelease(lhs: lhsPreRelease, rhs: rhsPreRelease)
} else if lhsPreReleasePart != nil {
return .orderedAscending
} else if rhsPreReleasePart != nil {
return .orderedDescending
}
return .orderedSame
}
private func comparePreRelease(lhs: String, rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".")
let rhsComponents = rhs.split(separator: ".")
for (lhsComp, rhsComp) in zip(lhsComponents, rhsComponents) {
if let lhsInt = Int(lhsComp), let rhsInt = Int(rhsComp) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
// Non-integer components are considered less than integers
return .orderedDescending
}
}
if lhsComponents.count < rhsComponents.count {
return .orderedAscending
} else if lhsComponents.count > rhsComponents.count {
return .orderedDescending
}
return .orderedSame
}
``` // XCTAssertTrue failedenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0...2].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0...2].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedDescending
} else if rhsPreRelease != nil {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsIdentifiers = lhs.split(separator: ".")
let rhsIdentifiers = rhs.split(separator: ".")
for (lhsId, rhsId) in zip(lhsIdentifiers, rhsIdentifiers) {
if lhsId < rhsId {
return .orderedAscending
} else if lhsId > rhsId {
return .orderedDescending
}
}
if lhsIdentifiers.count < rhsIdentifiers.count {
return .orderedAscending
} else if lhsIdentifiers.count > rhsIdentifiers.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0...2].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0...2].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedDescending
} else if rhsPreRelease != nil {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsIdentifiers = lhs.split(separator: ".")
let rhsIdentifiers = rhs.split(separator: ".")
for (lhsId, rhsId) in zip(lhsIdentifiers, rhsIdentifiers) {
if lhsId < rhsId {
return .orderedAscending
} else if lhsId > rhsId {
return .orderedDescending
}
}
if lhsIdentifiers.count < rhsIdentifiers.count {
return .orderedAscending
} else if lhsIdentifiers.count > rhsIdentifiers.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainVersion = lhsComponents[0..<3].map { Int($0) ?? 0 }
let rhsMainVersion = rhsComponents[0..<3].map { Int($0) ?? 0 }
for (lhsPart, rhsPart) in zip(lhsMainVersion, rhsMainVersion) {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
let lhsPreRelease = lhsComponents.count > 3 ? String(lhsComponents[3]) : nil
let rhsPreRelease = rhsComponents.count > 3 ? String(rhsComponents[3]) : nil
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if let _ = lhsPreRelease {
return .orderedDescending
} else if let _ = rhsPreRelease {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // Fatal error: Array index is out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainComponents = lhsComponents[0..<lhsComponents.count - (lhsComponents.last?.contains("-") == true ? 1 : 0)]
let rhsMainComponents = rhsComponents[0..<rhsComponents.count - (rhsComponents.last?.contains("-") == true ? 1 : 0)]
let lhsPreRelease = lhsComponents.last?.contains("-") == true ? String(lhsComponents.last!) : nil
let rhsPreRelease = rhsComponents.last?.contains("-") == true ? String(rhsComponents.last!) : nil
for (lhsPart, rhsPart) in zip(lhsMainComponents, rhsMainComponents) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
}
}
if lhsMainComponents.count < rhsMainComponents.count {
return .orderedAscending
} else if lhsMainComponents.count > rhsMainComponents.count {
return .orderedDescending
}
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedDescending
} else if rhsPreRelease != nil {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsMainComponents = lhsComponents[0..<lhsComponents.count - (lhsComponents.last?.contains("-") == true ? 1 : 0)]
let rhsMainComponents = rhsComponents[0..<rhsComponents.count - (rhsComponents.last?.contains("-") == true ? 1 : 0)]
let lhsPreRelease = lhsComponents.last?.contains("-") == true ? String(lhsComponents.last!) : nil
let rhsPreRelease = rhsComponents.last?.contains("-") == true ? String(rhsComponents.last!) : nil
for (lhsPart, rhsPart) in zip(lhsMainComponents, rhsMainComponents) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
}
}
if lhsMainComponents.count < rhsMainComponents.count {
return .orderedAscending
} else if lhsMainComponents.count > rhsMainComponents.count {
return .orderedDescending
}
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedDescending
} else if rhsPreRelease != nil {
return .orderedAscending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsParts = lhs.split(separator: ".")
let rhsParts = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsParts, rhsParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsParts.count < rhsParts.count {
return .orderedAscending
} else if lhsParts.count > rhsParts.count {
return .orderedDescending
}
return .orderedSame
}
``` // XCTAssertTrue failedenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsVersionParts = lhsComponents[0..<lhsComponents.count - 1]
let lhsTag = lhsComponents.last.map(String.init)
let rhsVersionParts = rhsComponents[0..<rhsComponents.count - 1]
let rhsTag = rhsComponents.last.map(String.init)
let versionComparison = compareVersionParts(lhsVersionParts, rhsVersionParts)
if versionComparison != .orderedSame {
return versionComparison
}
return compareTags(lhsTag, rhsTag)
}
private func compareVersionParts(_ lhs: ArraySlice<Substring>, _ rhs: ArraySlice<Substring>) -> ComparisonResult {
let lhsNumbers = lhs.compactMap { Int($0) }
let rhsNumbers = rhs.compactMap { Int($0) }
let maxCount = max(lhsNumbers.count, rhsNumbers.count)
for i in 0..<maxCount {
let lhsValue = i < lhsNumbers.count ? lhsNumbers[i] : 0
let rhsValue = i < rhsNumbers.count ? rhsNumbers[i] : 0
if lhsValue < rhsValue {
return .orderedAscending
} else if lhsValue > rhsValue {
return .orderedDescending
}
}
return .orderedSame
}
private func compareTags(_ lhsTag: String?, _ rhsTag: String?) -> ComparisonResult {
if let lhsTag = lhsTag, let rhsTag = rhsTag {
return compareTag(lhsTag, rhsTag)
} else if lhsTag != nil {
return .orderedDescending
} else if rhsTag != nil {
return .orderedAscending
}
return .orderedSame
}
private func compareTag(_ lhsTag: String, _ rhsTag: String) -> ComparisonResult {
let lhsPriority = tagPriority(lhsTag)
let rhsPriority = tagPriority(rhsTag)
if lhsPriority < rhsPriority {
return .orderedAscending
} else if lhsPriority > rhsPriority {
return .orderedDescending
} else {
return compareTagIdentifiers(lhsTag, rhsTag)
}
}
private func tagPriority(_ tag: String) -> Int {
switch tag {
case "alpha":
return 1
case "beta":
return 2
case "rc":
return 3
default:
return 4 // Release versions have the lowest priority
}
}
private func compareTagIdentifiers(_ lhsTag: String, _ rhsTag: String) -> ComparisonResult {
let lhsComponents = lhsTag.split(separator: ".")
let rhsComponents = rhsTag.split(separator: ".")
let maxCount = max(lhsComponents.count, rhsComponents.count)
for i in 0..<maxCount {
let lhsValue = i < lhsComponents.count ? String(lhsComponents[i]) : ""
let rhsValue = i < rhsComponents.count ? String(rhsComponents[i]) : ""
if lhsValue < rhsValue {
return .orderedAscending
} else if lhsValue > rhsValue {
return .orderedDescending
}
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsVersionParts = lhsComponents[0..<lhsComponents.count - 1]
let lhsTag = lhsComponents.last.map(String.init)
let rhsVersionParts = rhsComponents[0..<rhsComponents.count - 1]
let rhsTag = rhsComponents.last.map(String.init)
let versionComparison = compareVersionParts(lhsVersionParts, rhsVersionParts)
if versionComparison != .orderedSame {
return versionComparison
}
return compareTags(lhsTag, rhsTag)
}
private func compareVersionParts(_ lhs: ArraySlice<Substring>, _ rhs: ArraySlice<Substring>) -> ComparisonResult {
let lhsNumbers = lhs.compactMap { Int($0) }
let rhsNumbers = rhs.compactMap { Int($0) }
let maxCount = max(lhsNumbers.count, rhsNumbers.count)
for i in 0..<maxCount {
let lhsValue = i < lhsNumbers.count ? lhsNumbers[i] : 0
let rhsValue = i < rhsNumbers.count ? rhsNumbers[i] : 0
if lhsValue < rhsValue {
return .orderedAscending
} else if lhsValue > rhsValue {
return .orderedDescending
}
}
return .orderedSame
}
private func compareTags(_ lhsTag: String?, _ rhsTag: String?) -> ComparisonResult {
if let lhsTag = lhsTag, let rhsTag = rhsTag {
return compareTag(lhsTag, rhsTag)
} else if lhsTag != nil {
return .orderedDescending
} else if rhsTag != nil {
return .orderedAscending
}
return .orderedSame
}
private func compareTag(_ lhsTag: String, _ rhsTag: String) -> ComparisonResult {
let lhsPriority = tagPriority(lhsTag)
let rhsPriority = tagPriority(rhsTag)
if lhsPriority < rhsPriority {
return .orderedAscending
} else if lhsPriority > rhsPriority {
return .orderedDescending
} else {
return compareTagIdentifiers(lhsTag, rhsTag)
}
}
private func tagPriority(_ tag: String) -> Int {
switch tag {
case "alpha":
return 1
case "beta":
return 2
case "rc":
return 3
default:
return 4 // Release versions have the lowest priority
}
}
private func compareTagIdentifiers(_ lhsTag: String, _ rhsTag: String) -> ComparisonResult {
let lhsComponents = lhsTag.split(separator: ".")
let rhsComponents = rhsTag.split(separator: ".")
let maxCount = max(lhsComponents.count, rhsComponents.count)
for i in 0..<maxCount {
let lhsValue = i < lhsComponents.count ? String(lhsComponents[i]) : ""
let rhsValue = i < rhsComponents.count ? String(rhsComponents[i]) : ""
if lhsValue < rhsValue {
return .orderedAscending
} else if lhsValue > rhsValue {
return .orderedDescending
}
}
return .orderedSame
}
``` // XCTAssertTrue failedenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").map { String($0) }
let rhsComponents = rhs.split(separator: ".").map { String($0) }
let maxLength = max(lhsComponents.count, rhsComponents.count)
for i in 0..<maxLength {
let lhsPart = i < lhsComponents.count ? lhsComponents[i] : "0"
let rhsPart = i < rhsComponents.count ? rhsComponents[i] : "0"
let lhsVersion = parseVersionPart(lhsPart)
let rhsVersion = parseVersionPart(rhsPart)
if lhsVersion < rhsVersion {
return .orderedAscending
} else if lhsVersion > rhsVersion {
return .orderedDescending
}
}
return .orderedSame
}
private func parseVersionPart(_ part: String) -> (Int, String) {
let regex = try! NSRegularExpression(pattern: "(\\d+)([a-zA-Z]*)", options: [])
let nsString = part as NSString
let results = regex.matches(in: part, options: [], range: NSRange(location: 0, length: nsString.length))
if let match = results.first {
let number = Int(nsString.substring(with: match.range(at: 1))) ?? 0
let tag = nsString.substring(with: match.range(at: 2))
return (number, tag)
}
return (0, "")
}
private func <(lhs: (Int, String), rhs: (Int, String)) -> Bool {
if lhs.0 != rhs.0 {
return lhs.0 < rhs.0
}
return compareTags(lhs.1, rhs.1) == .orderedAscending
}
private func >(lhs: (Int, String), rhs: (Int, String)) -> Bool {
if lhs.0 != rhs.0 {
return lhs.0 > rhs.0
}
return compareTags(lhs.1, rhs.1) == .orderedDescending
}
private func compareTags(_ lhs: String, _ rhs: String) -> ComparisonResult {
if lhs.isEmpty && rhs.isEmpty {
return .orderedSame
} else if lhs.isEmpty {
return .orderedAscending
} else if rhs.isEmpty {
return .orderedDescending
}
let order: [String: Int] = ["alpha": 1, "beta": 2, "": 3]
let lhsOrder = order[lhs] ?? 4
let rhsOrder = order[rhs] ?? 4
if lhsOrder < rhsOrder {
return .orderedAscending
} else if lhsOrder > rhsOrder {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").map { String($0) }
let rhsComponents = rhs.split(separator: ".").map { String($0) }
let maxLength = max(lhsComponents.count, rhsComponents.count)
for i in 0..<maxLength {
let lhsPart = i < lhsComponents.count ? lhsComponents[i] : "0"
let rhsPart = i < rhsComponents.count ? rhsComponents[i] : "0"
let lhsVersion = parseVersionPart(lhsPart)
let rhsVersion = parseVersionPart(rhsPart)
if lhsVersion < rhsVersion {
return .orderedAscending
} else if lhsVersion > rhsVersion {
return .orderedDescending
}
}
return .orderedSame
}
private func parseVersionPart(_ part: String) -> (Int, String) {
let regex = try! NSRegularExpression(pattern: "(\\d+)([a-zA-Z]*)", options: [])
let nsString = part as NSString
let results = regex.matches(in: part, options: [], range: NSRange(location: 0, length: nsString.length))
if let match = results.first {
let number = Int(nsString.substring(with: match.range(at: 1))) ?? 0
let tag = nsString.substring(with: match.range(at: 2))
return (number, tag)
}
return (0, "")
}
private func <(lhs: (Int, String), rhs: (Int, String)) -> Bool {
if lhs.0 != rhs.0 {
return lhs.0 < rhs.0
}
return compareTags(lhs.1, rhs.1) == .orderedAscending
}
private func >(lhs: (Int, String), rhs: (Int, String)) -> Bool {
if lhs.0 != rhs.0 {
return lhs.0 > rhs.0
}
return compareTags(lhs.1, rhs.1) == .orderedDescending
}
private func compareTags(_ lhs: String, _ rhs: String) -> ComparisonResult {
if lhs.isEmpty && rhs.isEmpty {
return .orderedSame
} else if lhs.isEmpty {
return .orderedAscending
} else if rhs.isEmpty {
return .orderedDescending
}
let order: [String: Int] = ["alpha": 1, "beta": 2, "": 3]
let lhsOrder = order[lhs] ?? 4
let rhsOrder = order[rhs] ?? 4
if lhsOrder < rhsOrder {
return .orderedAscending
} else if lhsOrder > rhsOrder {
return .orderedDescending
}
return .orderedSame
}
``` // XCTAssertTrue failedenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsVersionParts = lhsComponents[0..<lhsComponents.count - (lhsComponents.last?.contains("-") == true ? 1 : 0)]
let rhsVersionParts = rhsComponents[0..<rhsComponents.count - (rhsComponents.last?.contains("-") == true ? 1 : 0)]
let lhsPreRelease = lhsComponents.last?.contains("-") == true ? String(lhsComponents.last!) : nil
let rhsPreRelease = rhsComponents.last?.contains("-") == true ? String(rhsComponents.last!) : nil
for (lhsPart, rhsPart) in zip(lhsVersionParts, rhsVersionParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
}
}
if lhsVersionParts.count < rhsVersionParts.count {
return .orderedAscending
} else if lhsVersionParts.count > rhsVersionParts.count {
return .orderedDescending
}
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedAscending
} else if rhsPreRelease != nil {
return .orderedDescending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".")
let rhsComponents = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsComponents, rhsComponents) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsComponents.count < rhsComponents.count {
return .orderedAscending
} else if lhsComponents.count > rhsComponents.count {
return .orderedDescending
}
return .orderedSame
}```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let rhsComponents = rhs.split(separator: ".").flatMap { $0.split(separator: "-") }
let lhsVersionParts = lhsComponents[0..<lhsComponents.count - (lhsComponents.last?.contains("-") == true ? 1 : 0)]
let rhsVersionParts = rhsComponents[0..<rhsComponents.count - (rhsComponents.last?.contains("-") == true ? 1 : 0)]
let lhsPreRelease = lhsComponents.last?.contains("-") == true ? String(lhsComponents.last!) : nil
let rhsPreRelease = rhsComponents.last?.contains("-") == true ? String(rhsComponents.last!) : nil
for (lhsPart, rhsPart) in zip(lhsVersionParts, rhsVersionParts) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
}
}
if lhsVersionParts.count < rhsVersionParts.count {
return .orderedAscending
} else if lhsVersionParts.count > rhsVersionParts.count {
return .orderedDescending
}
if let lhsPreRelease = lhsPreRelease, let rhsPreRelease = rhsPreRelease {
return comparePreRelease(lhsPreRelease, rhsPreRelease)
} else if lhsPreRelease != nil {
return .orderedAscending
} else if rhsPreRelease != nil {
return .orderedDescending
}
return .orderedSame
}
private func comparePreRelease(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.split(separator: ".")
let rhsComponents = rhs.split(separator: ".")
for (lhsPart, rhsPart) in zip(lhsComponents, rhsComponents) {
if let lhsInt = Int(lhsPart), let rhsInt = Int(rhsPart) {
if lhsInt < rhsInt {
return .orderedAscending
} else if lhsInt > rhsInt {
return .orderedDescending
}
} else {
if lhsPart < rhsPart {
return .orderedAscending
} else if lhsPart > rhsPart {
return .orderedDescending
}
}
}
if lhsComponents.count < rhsComponents.count {
return .orderedAscending
} else if lhsComponents.count > rhsComponents.count {
return .orderedDescending
}
return .orderedSame
}
``` // XCTAssertTrue failed