Metadata
| Key | Value |
|---|---|
| engine | modal |
| prompt | instruct |
| temp | 0.2 |
| top_p | 0.95 |
| max_new_tokens | 1024 |
| n_completions | 10 |
Solutions
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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let json = json else {
throw ParsingError.invalidInput
}
return json
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let json = 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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let result = json else {
throw ParsingError.invalidInput
}
return result
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let result = json else {
throw ParsingError.invalidInput
}
return result
} 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 json = try JSONSerialization.jsonObject(with: data, options: [])
return json as? JSON ?? [:]
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data, options: [])
return json as? 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 json = try JSONSerialization.jsonObject(with: data, options: [])
return json as? JSON ?? [:]
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data, options: [])
return json as? 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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let result = json else {
throw ParsingError.invalidInput
}
return result
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let result = json else {
throw ParsingError.invalidInput
}
return result
} 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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let result = json else {
throw ParsingError.invalidInput
}
return result
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let result = json else {
throw ParsingError.invalidInput
}
return result
} 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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let result = json else {
throw ParsingError.invalidInput
}
return result
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
guard let result = json else {
throw ParsingError.invalidInput
}
return result
} 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
}
let json = try JSONSerialization.jsonObject(with: data)
guard let result = json as? JSON else {
throw ParsingError.internalError(NSError(domain: "JSON parsing", code: 0, userInfo: nil))
}
return result
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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
}
let json = try JSONSerialization.jsonObject(with: data)
guard let result = json as? JSON else {
throw ParsingError.internalError(NSError(domain: "JSON parsing", code: 0, userInfo: nil))
}
return result
}
``` // XCTAssertTrue failedtypealias 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 json = try JSONSerialization.jsonObject(with: data)
return json as? JSON ?? [:]
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data)
return json as? 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 json = try JSONSerialization.jsonObject(with: data, options: [])
return json as? JSON ?? [:]
} catch {
throw ParsingError.internalError(error)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
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 json = try JSONSerialization.jsonObject(with: data, options: [])
return json as? 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 {
func generate(_ tree: HTMLNode, _ result: inout String) {
switch tree {
case let .text(content):
result += content
case let .element(name, attributes, children):
result += "<\(name)"
for (key, value) in attributes {
result += " \(key)=\"\(value)\""
}
result += ">"
for child in children {
generate(child, &result)
}
result += "</\(name)>"
}
}
var result = ""
generate(tree, &result)
return result
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, _ result: inout String) {
switch tree {
case let .text(content):
result += content
case let .element(name, attributes, children):
result += "<\(name)"
for (key, value) in attributes {
result += " \(key)=\"\(value)\""
}
result += ">"
for child in children {
generate(child, &result)
}
result += "</\(name)>"
}
}
var result = ""
generate(tree, &result)
return result
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ node: HTMLNode, _ result: inout String) {
switch node {
case let .text(content):
result.append(content)
case let .element(name, attributes, children):
result.append("<")
result.append(name)
for (key, value) in attributes {
result.append(" ")
result.append(key)
result.append("=\"")
result.append(value)
result.append("\"")
}
result.append(">")
for child in children {
generate(child, &result)
}
result.append("</")
result.append(name)
result.append(">")
}
}
var result = ""
generate(tree, &result)
return result
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ node: HTMLNode, _ result: inout String) {
switch node {
case let .text(content):
result.append(content)
case let .element(name, attributes, children):
result.append("<")
result.append(name)
for (key, value) in attributes {
result.append(" ")
result.append(key)
result.append("=\"")
result.append(value)
result.append("\"")
}
result.append(">")
for child in children {
generate(child, &result)
}
result.append("</")
result.append(name)
result.append(">")
}
}
var result = ""
generate(tree, &result)
return result
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, level: Int = 0) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: level * 4) + content
case let .element(name, attributes, children):
let attrs = attributes.map { "\($0)=\"\($1)\"" }.joined(separator: " ")
let content = children.map { generate($0, level: level + 1) }.joined(separator: "\n")
return [
String(repeating: " ", count: level * 4) + "<\(name)\(attrs.isEmpty ? "" : " \(attrs)")>",
content,
String(repeating: " ", count: level * 4) + "</\(name)>"
].joined(separator: "\n")
}
}
return generate(tree)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, level: Int = 0) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: level * 4) + content
case let .element(name, attributes, children):
let attrs = attributes.map { "\($0)=\"\($1)\"" }.joined(separator: " ")
let content = children.map { generate($0, level: level + 1) }.joined(separator: "\n")
return [
String(repeating: " ", count: level * 4) + "<\(name)\(attrs.isEmpty ? "" : " \(attrs)")>",
content,
String(repeating: " ", count: level * 4) + "</\(name)>"
].joined(separator: "\n")
}
}
return generate(tree)
}
```Start: a ["href": "swifteval"] // XCTAssertEqual failed: (Start: div [:]indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, _ result: inout String) {
switch tree {
case .text(let content):
result += content
case .element(let name, let attributes, let children):
result += "<\(name)"
for (key, value) in attributes {
result += " \(key)=\"\(value)\""
}
result += ">"
for child in children {
generate(child, &result)
}
result += "</\(name)>"
}
}
var result = ""
generate(tree, &result)
return result
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, _ result: inout String) {
switch tree {
case .text(let content):
result += content
case .element(let name, let attributes, let children):
result += "<\(name)"
for (key, value) in attributes {
result += " \(key)=\"\(value)\""
}
result += ">"
for child in children {
generate(child, &result)
}
result += "</\(name)>"
}
}
var result = ""
generate(tree, &result)
return result
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, indentation: Int = 0) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: indentation) + content
case let .element(name, attributes, children):
let attributes = attributes.map { " \($0.key)=\"\($0.value)\"" }.joined()
let children = children.map { generate($0, indentation: indentation + 2) }.joined(separator: "\n")
return [
String(repeating: " ", count: indentation) + "<\(name)\(attributes)>",
children,
String(repeating: " ", count: indentation) + "</\(name)>"
].joined(separator: "\n")
}
}
return generate(tree)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, indentation: Int = 0) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: indentation) + content
case let .element(name, attributes, children):
let attributes = attributes.map { " \($0.key)=\"\($0.value)\"" }.joined()
let children = children.map { generate($0, indentation: indentation + 2) }.joined(separator: "\n")
return [
String(repeating: " ", count: indentation) + "<\(name)\(attributes)>",
children,
String(repeating: " ", count: indentation) + "</\(name)>"
].joined(separator: "\n")
}
}
return generate(tree)
}
```Start: a ["href": "swifteval"] // XCTAssertEqual failed: (Start: div [:]indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, level: Int) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: level * 2) + content
case let .element(name, attributes, children):
let attributesString = attributes.isEmpty ? "" : " " + attributes.map { "\($0)=\"\($1)\"" }.joined(separator: " ")
let childrenString = children.isEmpty ? "" : "\n" + children.map { generate($0, level: level + 1) }.joined(separator: "\n") + "\n" + String(repeating: " ", count: level * 2)
return String(repeating: " ", count: level * 2) + "<\(name)\(attributesString)>\(childrenString)</\(name)>"
}
}
return generate(tree, level: 0)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, level: Int) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: level * 2) + content
case let .element(name, attributes, children):
let attributesString = attributes.isEmpty ? "" : " " + attributes.map { "\($0)=\"\($1)\"" }.joined(separator: " ")
let childrenString = children.isEmpty ? "" : "\n" + children.map { generate($0, level: level + 1) }.joined(separator: "\n") + "\n" + String(repeating: " ", count: level * 2)
return String(repeating: " ", count: level * 2) + "<\(name)\(attributesString)>\(childrenString)</\(name)>"
}
}
return generate(tree, level: 0)
}
```Start: a ["href": "swifteval"] // XCTAssertEqual failed: (Start: div [:]indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, level: Int = 0) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: level * 4) + content
case let .element(name, attributes, children):
let attributes = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let children = children.map { generate($0, level: level + 1) }.joined(separator: "\n")
return [
String(repeating: " ", count: level * 4) + "<\(name)\(attributes.isEmpty ? "" : " " + attributes)>",
children,
String(repeating: " ", count: level * 4) + "</\(name)>"
].joined(separator: "\n")
}
}
return generate(tree)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, level: Int = 0) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: level * 4) + content
case let .element(name, attributes, children):
let attributes = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let children = children.map { generate($0, level: level + 1) }.joined(separator: "\n")
return [
String(repeating: " ", count: level * 4) + "<\(name)\(attributes.isEmpty ? "" : " " + attributes)>",
children,
String(repeating: " ", count: level * 4) + "</\(name)>"
].joined(separator: "\n")
}
}
return generate(tree)
}
```Start: a ["href": "swifteval"] // XCTAssertEqual failed: (Start: div [:]indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, level: Int = 0) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: level * 4) + content
case let .element(name, attributes, children):
let attributes = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let children = children.map { generate($0, level: level + 1) }.joined(separator: "\n")
return [
String(repeating: " ", count: level * 4) + "<\(name)\(attributes.isEmpty ? "" : " \(attributes)")>",
children,
String(repeating: " ", count: level * 4) + "</\(name)>"
].joined(separator: "\n")
}
}
return generate(tree).trimmingCharacters(in: .whitespacesAndNewlines)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, level: Int = 0) -> String {
switch tree {
case let .text(content):
return String(repeating: " ", count: level * 4) + content
case let .element(name, attributes, children):
let attributes = attributes.map { "\($0.key)=\"\($0.value)\"" }.joined(separator: " ")
let children = children.map { generate($0, level: level + 1) }.joined(separator: "\n")
return [
String(repeating: " ", count: level * 4) + "<\(name)\(attributes.isEmpty ? "" : " \(attributes)")>",
children,
String(repeating: " ", count: level * 4) + "</\(name)>"
].joined(separator: "\n")
}
}
return generate(tree).trimmingCharacters(in: .whitespacesAndNewlines)
}
```Start: a ["href": "swifteval"] // XCTAssertEqual failed: (Start: div [:]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 childrenString = children.map(generate).joined(separator: "")
return "<\(name) \(attributesString)>\(childrenString)</\(name)>"
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```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 childrenString = children.map(generate).joined(separator: "")
return "<\(name) \(attributesString)>\(childrenString)</\(name)>"
}
}
```indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, _ result: inout String) {
switch tree {
case let .text(content):
result += content
case let .element(name, attributes, children):
result += "<\(name)"
for (key, value) in attributes {
result += " \(key)=\"\(value)\""
}
result += ">"
for child in children {
generate(child, &result)
}
result += "</\(name)>"
}
}
var result = ""
generate(tree, &result)
return result
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
func generate(_ tree: HTMLNode, _ result: inout String) {
switch tree {
case let .text(content):
result += content
case let .element(name, attributes, children):
result += "<\(name)"
for (key, value) in attributes {
result += " \(key)=\"\(value)\""
}
result += ">"
for child in children {
generate(child, &result)
}
result += "</\(name)>"
}
}
var result = ""
generate(tree, &result)
return result
}
```enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.map { String($0) }
let operators = ["+", "-", "*", "/"]
let stack = Stack<Double>()
var lastOperator: String?
for token in tokens {
if let value = Double(token) {
stack.push(value)
} else if operators.contains(token) {
if let lastOperator = lastOperator {
let right = stack.pop()
let left = stack.pop()
stack.push(calculate(left, right, lastOperator))
}
lastOperator = token
} else if token == "(" {
stack.push(0)
} else if token == ")" {
let right = stack.pop()
let left = stack.pop()
stack.pop()
stack.push(calculate(left, right, lastOperator))
lastOperator = nil
} else {
throw CalculateError.invalidInput
}
}
return stack.pop()
}
func calculate(_ left: Double, _ right: Double, _ operator: String) -> Double {
switch operator {
case "+":
return left + right
case "-":
return left - right
case "*":
return left * right
case "/":
return left / right
default:
return 0
}
}
class Stack<T> {
var items = [T]()
func push(_ item: T) {
items.append(item)
}
func pop() -> T {
return items.removeLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.map { String($0) }
let operators = ["+", "-", "*", "/"]
let stack = Stack<Double>()
var lastOperator: String?
for token in tokens {
if let value = Double(token) {
stack.push(value)
} else if operators.contains(token) {
if let lastOperator = lastOperator {
let right = stack.pop()
let left = stack.pop()
stack.push(calculate(left, right, lastOperator))
}
lastOperator = token
} else if token == "(" {
stack.push(0)
} else if token == ")" {
let right = stack.pop()
let left = stack.pop()
stack.pop()
stack.push(calculate(left, right, lastOperator))
lastOperator = nil
} else {
throw CalculateError.invalidInput
}
}
return stack.pop()
}
func calculate(_ left: Double, _ right: Double, _ operator: String) -> Double {
switch operator {
case "+":
return left + right
case "-":
return left - right
case "*":
return left * right
case "/":
return left / right
default:
return 0
}
}
class Stack<T> {
var items = [T]()
func push(_ item: T) {
items.append(item)
}
func pop() -> T {
return items.removeLast()
}
}
```stack.pop() // result of call to 'pop()' is unusedstack.push(calculate(left, right, lastOperator)) // value of optional type 'String?' must be unwrapped to a value of type 'String'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)
}
func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var token = ""
for char in string {
if char.isNumber {
token.append(char)
} else if char.isOperator {
if !token.isEmpty {
tokens.append(token)
token = ""
}
tokens.append(String(char))
} else if char.isWhitespace {
if !token.isEmpty {
tokens.append(token)
token = ""
}
} else {
throw CalculateError.invalidInput
}
}
if !token.isEmpty {
tokens.append(token)
}
return tokens
}
func infixToPostfix(_ tokens: [String]) throws -> [String] {
var postfix: [String] = []
var stack: [String] = []
for token in tokens {
if token.isNumber {
postfix.append(token)
} else if token.isOperator {
while let op = stack.last, op.isOperator {
if token.priority <= op.priority {
postfix.append(stack.removeLast())
} else {
break
}
}
stack.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let op = stack.last, op != "(" {
postfix.append(stack.removeLast())
}
if stack.last == "(" {
stack.removeLast()
} else {
throw CalculateError.invalidInput
}
} else {
throw CalculateError.invalidInput
}
}
while let op = stack.last {
postfix.append(op)
stack.removeLast()
}
return postfix
}
func evaluatePostfix(_ postfix: [String]) throws -> Double {
var stack: [Double] = []
for token in postfix {
if token.isNumber {
stack.append(Double(token)!)
} else if token.isOperator {
guard let right = stack.popLast(), let left = stack.popLast() else {
throw CalculateError.invalidInput
}
stack.append(token.evaluate(left, right))
} else {
throw CalculateError.invalidInput
}
}
guard let result = stack.last else {
throw CalculateError.invalidInput
}
return result
}
extension Character {
var isNumber: Bool {
return Int(String(self)) != nil
}
var isOperator: Bool {
return "+-*/".contains(self)
}
var isWhitespace: Bool {
return " \n\t".contains(self)
}
var priority: Int {
switch self {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
func evaluate(_ left: Double, _ right: Double) -> Double {
switch self {
case "+":
return left + right
case "-":
return left - right
case "*":
return left * right
case "/":
return left / right
default:
return 0
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```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)
}
func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var token = ""
for char in string {
if char.isNumber {
token.append(char)
} else if char.isOperator {
if !token.isEmpty {
tokens.append(token)
token = ""
}
tokens.append(String(char))
} else if char.isWhitespace {
if !token.isEmpty {
tokens.append(token)
token = ""
}
} else {
throw CalculateError.invalidInput
}
}
if !token.isEmpty {
tokens.append(token)
}
return tokens
}
func infixToPostfix(_ tokens: [String]) throws -> [String] {
var postfix: [String] = []
var stack: [String] = []
for token in tokens {
if token.isNumber {
postfix.append(token)
} else if token.isOperator {
while let op = stack.last, op.isOperator {
if token.priority <= op.priority {
postfix.append(stack.removeLast())
} else {
break
}
}
stack.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let op = stack.last, op != "(" {
postfix.append(stack.removeLast())
}
if stack.last == "(" {
stack.removeLast()
} else {
throw CalculateError.invalidInput
}
} else {
throw CalculateError.invalidInput
}
}
while let op = stack.last {
postfix.append(op)
stack.removeLast()
}
return postfix
}
func evaluatePostfix(_ postfix: [String]) throws -> Double {
var stack: [Double] = []
for token in postfix {
if token.isNumber {
stack.append(Double(token)!)
} else if token.isOperator {
guard let right = stack.popLast(), let left = stack.popLast() else {
throw CalculateError.invalidInput
}
stack.append(token.evaluate(left, right))
} else {
throw CalculateError.invalidInput
}
}
guard let result = stack.last else {
throw CalculateError.invalidInput
}
return result
}
extension Character {
var isNumber: Bool {
return Int(String(self)) != nil
}
var isOperator: Bool {
return "+-*/".contains(self)
}
var isWhitespace: Bool {
return " \n\t".contains(self)
}
var priority: Int {
switch self {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
func evaluate(_ left: Double, _ right: Double) -> Double {
switch self {
case "+":
return left + right
case "-":
return left - right
case "*":
return left * right
case "/":
return left / right
default:
return 0
}
}
}
```if token.isNumber { // value of type 'String' has no member 'isNumber'} else if token.isOperator { // value of type 'String' has no member 'isOperator'while let op = stack.last, op.isOperator { // value of type 'String' has no member 'isOperator'if token.priority <= op.priority { // value of type 'String' has no member 'priority'if token.priority <= op.priority { // value of type 'String' has no member 'priority'if token.isNumber { // value of type 'String' has no member 'isNumber'} else if token.isOperator { // value of type 'String' has no member 'isOperator'stack.append(token.evaluate(left, right)) // value of type 'String' has no member 'evaluate'enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.split(separator: " ")
var stack = [Double]()
var operators = [String]()
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
try apply(last, &stack)
operators.removeLast()
}
operators.removeLast()
} else if let last = operators.last, ["+", "-", "*", "/"].contains(last) {
try apply(last, &stack)
operators.removeLast()
operators.append(token)
} else {
operators.append(token)
}
}
while let last = operators.last {
try apply(last, &stack)
operators.removeLast()
}
guard let result = stack.last else {
throw CalculateError.invalidInput
}
return result
}
private func apply(_ operator: String, _ stack: inout [Double]) throws {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
switch operator {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.split(separator: " ")
var stack = [Double]()
var operators = [String]()
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else if token == "(" {
operators.append(token)
} else if token == ")" {
while let last = operators.last, last != "(" {
try apply(last, &stack)
operators.removeLast()
}
operators.removeLast()
} else if let last = operators.last, ["+", "-", "*", "/"].contains(last) {
try apply(last, &stack)
operators.removeLast()
operators.append(token)
} else {
operators.append(token)
}
}
while let last = operators.last {
try apply(last, &stack)
operators.removeLast()
}
guard let result = stack.last else {
throw CalculateError.invalidInput
}
return result
}
private func apply(_ operator: String, _ stack: inout [Double]) throws {
guard stack.count >= 2 else {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
switch operator {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
}
```operators.append(token) // cannot convert value of type 'String.SubSequence' (aka 'Substring') to expected argument type 'String'operators.append(token) // cannot convert value of type 'String.SubSequence' (aka 'Substring') to expected argument type 'String'operators.append(token) // cannot convert value of type 'String.SubSequence' (aka 'Substring') to expected argument type 'String'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 = string.components(separatedBy: CharacterSet(charactersIn: "+-*/()").inverted)
let numbers = tokens.compactMap { Double($0) }
let operators = tokens.compactMap { "+-*/()".contains($0) ? $0 : nil }
guard numbers.count > 0, numbers.count == operators.count + 1 else {
throw CalculateError.invalidInput
}
var stack = [Double]()
var currentNumber = numbers[0]
for (index, operator) in operators.enumerated() {
switch operator {
case "+":
stack.append(currentNumber)
currentNumber = numbers[index + 1]
case "-":
stack.append(currentNumber)
currentNumber = -numbers[index + 1]
case "*":
currentNumber *= numbers[index + 1]
case "/":
currentNumber /= numbers[index + 1]
case "(":
stack.append(currentNumber)
currentNumber = 0
case ")":
stack.append(currentNumber)
currentNumber = 0
while let last = stack.popLast() {
currentNumber += last
}
default:
break
}
}
stack.append(currentNumber)
return stack.reduce(0, +)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.components(separatedBy: CharacterSet(charactersIn: "+-*/()").inverted)
let numbers = tokens.compactMap { Double($0) }
let operators = tokens.compactMap { "+-*/()".contains($0) ? $0 : nil }
guard numbers.count > 0, numbers.count == operators.count + 1 else {
throw CalculateError.invalidInput
}
var stack = [Double]()
var currentNumber = numbers[0]
for (index, operator) in operators.enumerated() {
switch operator {
case "+":
stack.append(currentNumber)
currentNumber = numbers[index + 1]
case "-":
stack.append(currentNumber)
currentNumber = -numbers[index + 1]
case "*":
currentNumber *= numbers[index + 1]
case "/":
currentNumber /= numbers[index + 1]
case "(":
stack.append(currentNumber)
currentNumber = 0
case ")":
stack.append(currentNumber)
currentNumber = 0
while let last = stack.popLast() {
currentNumber += last
}
default:
break
}
}
stack.append(currentNumber)
return stack.reduce(0, +)
}
```for (index, operator) in operators.enumerated() { // expected '{' to start the body of for-each loopfor (index, operator) in operators.enumerated() { // expected 'in' after for-each patternfor (index, operator) in operators.enumerated() { // expected Sequence expression for for-each loopfor (index, operator) in operators.enumerated() { // expected patternswitch 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 = string.components(separatedBy: " ")
guard tokens.count > 0 else {
throw CalculateError.invalidInput
}
var stack = [Double]()
var result = 0.0
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else {
guard let right = stack.popLast(), let left = stack.popLast() else {
throw CalculateError.invalidInput
}
switch token {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
result = stack.first!
return result
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.components(separatedBy: " ")
guard tokens.count > 0 else {
throw CalculateError.invalidInput
}
var stack = [Double]()
var result = 0.0
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else {
guard let right = stack.popLast(), let left = stack.popLast() else {
throw CalculateError.invalidInput
}
switch token {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
}
}
guard stack.count == 1 else {
throw CalculateError.invalidInput
}
result = stack.first!
return result
}
``` // Fatal error: Error raised at top level: Solution.CalculateError.invalidInputenum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluatePostfix(postfix)
}
func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentToken = ""
for character in string {
if character.isNumber {
currentToken.append(character)
} else if character.isOperator {
if !currentToken.isEmpty {
tokens.append(currentToken)
currentToken = ""
}
tokens.append(String(character))
} else if character.isWhitespace {
if !currentToken.isEmpty {
tokens.append(currentToken)
currentToken = ""
}
} else {
throw CalculateError.invalidInput
}
}
if !currentToken.isEmpty {
tokens.append(currentToken)
}
return tokens
}
func infixToPostfix(_ tokens: [String]) throws -> [String] {
var postfix: [String] = []
var stack: [String] = []
for token in tokens {
if token.isNumber {
postfix.append(token)
} else if token.isOperator {
while let top = stack.last, top.isOperator {
if top.isLeftAssociative && top.precedence <= token.precedence {
postfix.append(stack.removeLast())
} else if !top.isLeftAssociative && top.precedence < token.precedence {
postfix.append(stack.removeLast())
} else {
break
}
}
stack.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let top = stack.last, top != "(" {
postfix.append(stack.removeLast())
}
if stack.last == "(" {
stack.removeLast()
} else {
throw CalculateError.invalidInput
}
} else {
throw CalculateError.invalidInput
}
}
while let top = stack.last {
if top == "(" {
throw CalculateError.invalidInput
}
postfix.append(stack.removeLast())
}
return postfix
}
func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if token.isNumber {
stack.append(Double(token)!)
} else if token.isOperator {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(token.evaluate(left, right))
} else {
throw CalculateError.invalidInput
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
extension Character {
var isNumber: Bool {
return Int(String(self)) != nil
}
var isOperator: Bool {
return "+-*/".contains(self)
}
var isLeftAssociative: Bool {
return "+-".contains(self)
}
var precedence: Int {
switch self {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
func evaluate(_ left: Double, _ right: Double) -> Double {
switch self {
case "+":
return left + right
case "-":
return left - right
case "*":
return left * right
case "/":
return left / right
default:
return 0
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```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)
}
func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentToken = ""
for character in string {
if character.isNumber {
currentToken.append(character)
} else if character.isOperator {
if !currentToken.isEmpty {
tokens.append(currentToken)
currentToken = ""
}
tokens.append(String(character))
} else if character.isWhitespace {
if !currentToken.isEmpty {
tokens.append(currentToken)
currentToken = ""
}
} else {
throw CalculateError.invalidInput
}
}
if !currentToken.isEmpty {
tokens.append(currentToken)
}
return tokens
}
func infixToPostfix(_ tokens: [String]) throws -> [String] {
var postfix: [String] = []
var stack: [String] = []
for token in tokens {
if token.isNumber {
postfix.append(token)
} else if token.isOperator {
while let top = stack.last, top.isOperator {
if top.isLeftAssociative && top.precedence <= token.precedence {
postfix.append(stack.removeLast())
} else if !top.isLeftAssociative && top.precedence < token.precedence {
postfix.append(stack.removeLast())
} else {
break
}
}
stack.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let top = stack.last, top != "(" {
postfix.append(stack.removeLast())
}
if stack.last == "(" {
stack.removeLast()
} else {
throw CalculateError.invalidInput
}
} else {
throw CalculateError.invalidInput
}
}
while let top = stack.last {
if top == "(" {
throw CalculateError.invalidInput
}
postfix.append(stack.removeLast())
}
return postfix
}
func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack: [Double] = []
for token in tokens {
if token.isNumber {
stack.append(Double(token)!)
} else if token.isOperator {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(token.evaluate(left, right))
} else {
throw CalculateError.invalidInput
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
extension Character {
var isNumber: Bool {
return Int(String(self)) != nil
}
var isOperator: Bool {
return "+-*/".contains(self)
}
var isLeftAssociative: Bool {
return "+-".contains(self)
}
var precedence: Int {
switch self {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
func evaluate(_ left: Double, _ right: Double) -> Double {
switch self {
case "+":
return left + right
case "-":
return left - right
case "*":
return left * right
case "/":
return left / right
default:
return 0
}
}
}
```if token.isNumber { // value of type 'String' has no member 'isNumber'} else if token.isOperator { // value of type 'String' has no member 'isOperator'while let top = stack.last, top.isOperator { // value of type 'String' has no member 'isOperator'if top.isLeftAssociative && top.precedence <= token.precedence { // value of type 'String' has no member 'isLeftAssociative'if top.isLeftAssociative && top.precedence <= token.precedence { // value of type 'String' has no member 'precedence'if top.isLeftAssociative && top.precedence <= token.precedence { // value of type 'String' has no member 'precedence'} else if !top.isLeftAssociative && top.precedence < token.precedence { // value of type 'String' has no member 'isLeftAssociative'} else if !top.isLeftAssociative && top.precedence < token.precedence { // value of type 'String' has no member 'precedence'} else if !top.isLeftAssociative && top.precedence < token.precedence { // value of type 'String' has no member 'precedence'if token.isNumber { // value of type 'String' has no member 'isNumber'} else if token.isOperator { // value of type 'String' has no member 'isOperator'stack.append(token.evaluate(left, right)) // value of type 'String' has no member 'evaluate'enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluate(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentToken = ""
var isNumber = false
for char in string {
if char.isNumber {
if !isNumber {
if !currentToken.isEmpty {
tokens.append(currentToken)
}
currentToken = ""
isNumber = true
}
currentToken.append(char)
} else if char.isOperator {
if isNumber {
tokens.append(currentToken)
currentToken = ""
isNumber = false
}
currentToken.append(char)
} else if char.isWhitespace {
if !currentToken.isEmpty {
tokens.append(currentToken)
currentToken = ""
}
} else {
throw CalculateError.invalidInput
}
}
if !currentToken.isEmpty {
tokens.append(currentToken)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var stack: [String] = []
for token in tokens {
if token.isNumber {
output.append(token)
} else if token.isOperator {
while let top = stack.last, top.isOperator {
if top.isLeftAssociative && top.precedence <= token.precedence {
output.append(stack.removeLast())
} else if !top.isLeftAssociative && top.precedence < token.precedence {
output.append(stack.removeLast())
} else {
break
}
}
stack.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let top = stack.last, top != "(" {
output.append(stack.removeLast())
}
if stack.last == "(" {
stack.removeLast()
} else {
throw CalculateError.invalidInput
}
}
}
while let top = stack.last {
if top == "(" {
throw CalculateError.invalidInput
}
output.append(stack.removeLast())
}
return output
}
private func evaluate(_ postfix: [String]) throws -> Double {
var stack: [Double] = []
for token in postfix {
if token.isNumber {
stack.append(Double(token)!)
} else if token.isOperator {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(token.perform(left, right))
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
private extension Character {
var isNumber: Bool {
return Int(String(self)) != nil
}
var isOperator: Bool {
return "+-*/".contains(self)
}
var isLeftAssociative: Bool {
return "+-".contains(self)
}
var precedence: Int {
switch self {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
func perform(_ left: Double, _ right: Double) -> Double {
switch self {
case "+":
return left + right
case "-":
return left - right
case "*":
return left * right
case "/":
return left / right
default:
return 0
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = try tokenize(string)
let postfix = try infixToPostfix(tokens)
return try evaluate(postfix)
}
private func tokenize(_ string: String) throws -> [String] {
var tokens: [String] = []
var currentToken = ""
var isNumber = false
for char in string {
if char.isNumber {
if !isNumber {
if !currentToken.isEmpty {
tokens.append(currentToken)
}
currentToken = ""
isNumber = true
}
currentToken.append(char)
} else if char.isOperator {
if isNumber {
tokens.append(currentToken)
currentToken = ""
isNumber = false
}
currentToken.append(char)
} else if char.isWhitespace {
if !currentToken.isEmpty {
tokens.append(currentToken)
currentToken = ""
}
} else {
throw CalculateError.invalidInput
}
}
if !currentToken.isEmpty {
tokens.append(currentToken)
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output: [String] = []
var stack: [String] = []
for token in tokens {
if token.isNumber {
output.append(token)
} else if token.isOperator {
while let top = stack.last, top.isOperator {
if top.isLeftAssociative && top.precedence <= token.precedence {
output.append(stack.removeLast())
} else if !top.isLeftAssociative && top.precedence < token.precedence {
output.append(stack.removeLast())
} else {
break
}
}
stack.append(token)
} else if token == "(" {
stack.append(token)
} else if token == ")" {
while let top = stack.last, top != "(" {
output.append(stack.removeLast())
}
if stack.last == "(" {
stack.removeLast()
} else {
throw CalculateError.invalidInput
}
}
}
while let top = stack.last {
if top == "(" {
throw CalculateError.invalidInput
}
output.append(stack.removeLast())
}
return output
}
private func evaluate(_ postfix: [String]) throws -> Double {
var stack: [Double] = []
for token in postfix {
if token.isNumber {
stack.append(Double(token)!)
} else if token.isOperator {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(token.perform(left, right))
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
private extension Character {
var isNumber: Bool {
return Int(String(self)) != nil
}
var isOperator: Bool {
return "+-*/".contains(self)
}
var isLeftAssociative: Bool {
return "+-".contains(self)
}
var precedence: Int {
switch self {
case "+", "-":
return 1
case "*", "/":
return 2
default:
return 0
}
}
func perform(_ left: Double, _ right: Double) -> Double {
switch self {
case "+":
return left + right
case "-":
return left - right
case "*":
return left * right
case "/":
return left / right
default:
return 0
}
}
}
```if token.isNumber { // value of type 'String' has no member 'isNumber'} else if token.isOperator { // value of type 'String' has no member 'isOperator'while let top = stack.last, top.isOperator { // value of type 'String' has no member 'isOperator'if top.isLeftAssociative && top.precedence <= token.precedence { // value of type 'String' has no member 'precedence'if top.isLeftAssociative && top.precedence <= token.precedence { // value of type 'String' has no member 'precedence'if top.isLeftAssociative && top.precedence <= token.precedence { // value of type 'String' has no member 'isLeftAssociative'} else if !top.isLeftAssociative && top.precedence < token.precedence { // value of type 'String' has no member 'precedence'} else if !top.isLeftAssociative && top.precedence < token.precedence { // value of type 'String' has no member 'precedence'} else if !top.isLeftAssociative && top.precedence < token.precedence { // value of type 'String' has no member 'isLeftAssociative'if token.isNumber { // value of type 'String' has no member 'isNumber'} else if token.isOperator { // value of type 'String' has no member 'isOperator'stack.append(token.perform(left, right)) // missing argument label 'with:' in callstack.append(token.perform(left, right)) // cannot convert value of type 'Double' to expected argument type 'Selector?'stack.append(token.perform(left, right)) // cannot convert value of type 'Unmanaged<AnyObject>?' to expected argument type 'Double'enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.components(separatedBy: " ")
let stack = Stack<Double>()
for token in tokens {
if let value = Double(token) {
stack.push(value)
} else {
guard let right = stack.pop(), let left = stack.pop() else {
throw CalculateError.invalidInput
}
switch token {
case "+": stack.push(left + right)
case "-": stack.push(left - right)
case "*": stack.push(left * right)
case "/": stack.push(left / right)
default: throw CalculateError.invalidInput
}
}
}
guard let result = stack.pop() else {
throw CalculateError.invalidInput
}
return result
}
class Stack<T> {
private var array: [T] = []
func push(_ element: T) {
array.append(element)
}
func pop() -> T? {
array.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.components(separatedBy: " ")
let stack = Stack<Double>()
for token in tokens {
if let value = Double(token) {
stack.push(value)
} else {
guard let right = stack.pop(), let left = stack.pop() else {
throw CalculateError.invalidInput
}
switch token {
case "+": stack.push(left + right)
case "-": stack.push(left - right)
case "*": stack.push(left * right)
case "/": stack.push(left / right)
default: throw CalculateError.invalidInput
}
}
}
guard let result = stack.pop() else {
throw CalculateError.invalidInput
}
return result
}
class Stack<T> {
private var array: [T] = []
func push(_ element: T) {
array.append(element)
}
func pop() -> T? {
array.popLast()
}
}
``` // Fatal error: Error raised at top level: Solution.CalculateError.invalidInputenum 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 validTokens = Set(["+", "-", "*", "/", "(", ")"])
let numbers = CharacterSet.decimalDigits
let operators = CharacterSet(charactersIn: "+-*/")
let separators = CharacterSet(charactersIn: "()")
let tokenSet = numbers.union(operators).union(separators)
let scanner = Scanner(string: string)
var tokens = [String]()
while !scanner.isAtEnd {
if let token = scanner.scanCharacters(from: tokenSet) {
if validTokens.contains(token) {
tokens.append(token)
} else {
throw CalculateError.invalidInput
}
} else {
throw CalculateError.invalidInput
}
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output = [String]()
var stack = [String]()
for token in tokens {
switch token {
case "+", "-":
while !stack.isEmpty && ["+", "-", "*", "/"].contains(stack.last!) {
output.append(stack.removeLast())
}
stack.append(token)
case "*", "/":
while !stack.isEmpty && ["*", "/"].contains(stack.last!) {
output.append(stack.removeLast())
}
stack.append(token)
case "(":
stack.append(token)
case ")":
while !stack.isEmpty && stack.last! != "(" {
output.append(stack.removeLast())
}
if stack.last! == "(" {
stack.removeLast()
}
default:
output.append(token)
}
}
while !stack.isEmpty {
output.append(stack.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack = [Double]()
for token in tokens {
switch token {
case "+":
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left + right)
case "-":
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left - right)
case "*":
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left * right)
case "/":
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left / right)
default:
stack.append(Double(token)!)
}
}
return stack.last!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```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] {
let validTokens = Set(["+", "-", "*", "/", "(", ")"])
let numbers = CharacterSet.decimalDigits
let operators = CharacterSet(charactersIn: "+-*/")
let separators = CharacterSet(charactersIn: "()")
let tokenSet = numbers.union(operators).union(separators)
let scanner = Scanner(string: string)
var tokens = [String]()
while !scanner.isAtEnd {
if let token = scanner.scanCharacters(from: tokenSet) {
if validTokens.contains(token) {
tokens.append(token)
} else {
throw CalculateError.invalidInput
}
} else {
throw CalculateError.invalidInput
}
}
return tokens
}
private func infixToPostfix(_ tokens: [String]) throws -> [String] {
var output = [String]()
var stack = [String]()
for token in tokens {
switch token {
case "+", "-":
while !stack.isEmpty && ["+", "-", "*", "/"].contains(stack.last!) {
output.append(stack.removeLast())
}
stack.append(token)
case "*", "/":
while !stack.isEmpty && ["*", "/"].contains(stack.last!) {
output.append(stack.removeLast())
}
stack.append(token)
case "(":
stack.append(token)
case ")":
while !stack.isEmpty && stack.last! != "(" {
output.append(stack.removeLast())
}
if stack.last! == "(" {
stack.removeLast()
}
default:
output.append(token)
}
}
while !stack.isEmpty {
output.append(stack.removeLast())
}
return output
}
private func evaluatePostfix(_ tokens: [String]) throws -> Double {
var stack = [Double]()
for token in tokens {
switch token {
case "+":
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left + right)
case "-":
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left - right)
case "*":
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left * right)
case "/":
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left / right)
default:
stack.append(Double(token)!)
}
}
return stack.last!
}
``` // Fatal error: Error raised at top level: Solution.CalculateError.invalidInputenum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
var stack = [Double]()
var string = string
var number = ""
var operation: ((Double, Double) -> Double)?
while !string.isEmpty {
let token = string.removeFirst()
switch token {
case "+":
operation = { $0 + $1 }
case "-":
operation = { $0 - $1 }
case "*":
operation = { $0 * $1 }
case "/":
operation = { $0 / $1 }
case "(":
let result = try calculate(string)
stack.append(result)
case ")":
guard let operation = operation else {
throw CalculateError.invalidInput
}
guard let rightNumber = Double(number) else {
throw CalculateError.invalidInput
}
guard let leftNumber = stack.popLast() else {
throw CalculateError.invalidInput
}
let result = operation(leftNumber, rightNumber)
stack.append(result)
return result
case " ":
break
default:
number.append(token)
}
}
guard let result = Double(number) else {
throw CalculateError.invalidInput
}
stack.append(result)
while stack.count > 1 {
guard let operation = operation else {
throw CalculateError.invalidInput
}
guard let rightNumber = stack.popLast() else {
throw CalculateError.invalidInput
}
guard let leftNumber = stack.popLast() else {
throw CalculateError.invalidInput
}
let result = operation(leftNumber, rightNumber)
stack.append(result)
}
return stack.first ?? 0
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
var stack = [Double]()
var string = string
var number = ""
var operation: ((Double, Double) -> Double)?
while !string.isEmpty {
let token = string.removeFirst()
switch token {
case "+":
operation = { $0 + $1 }
case "-":
operation = { $0 - $1 }
case "*":
operation = { $0 * $1 }
case "/":
operation = { $0 / $1 }
case "(":
let result = try calculate(string)
stack.append(result)
case ")":
guard let operation = operation else {
throw CalculateError.invalidInput
}
guard let rightNumber = Double(number) else {
throw CalculateError.invalidInput
}
guard let leftNumber = stack.popLast() else {
throw CalculateError.invalidInput
}
let result = operation(leftNumber, rightNumber)
stack.append(result)
return result
case " ":
break
default:
number.append(token)
}
}
guard let result = Double(number) else {
throw CalculateError.invalidInput
}
stack.append(result)
while stack.count > 1 {
guard let operation = operation else {
throw CalculateError.invalidInput
}
guard let rightNumber = stack.popLast() else {
throw CalculateError.invalidInput
}
guard let leftNumber = stack.popLast() else {
throw CalculateError.invalidInput
}
let result = operation(leftNumber, rightNumber)
stack.append(result)
}
return stack.first ?? 0
}
``` // XCTAssertEqual failed: (22.0) is not equal to (4.0)func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}
``` // XCTAssertTrue failedfunc execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}
``` // XCTAssertTrue failedfunc execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}
``` // XCTAssertTrue failedfunc execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}
``` // XCTAssertTrue failedfunc execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.launchPath = binary
process.arguments = arguments
let outputPipe = Pipe()
process.standardOutput = outputPipe
let errorPipe = Pipe()
process.standardError = errorPipe
process.launch()
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)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let process = Process()
process.launchPath = binary
process.arguments = arguments
let outputPipe = Pipe()
process.standardOutput = outputPipe
let errorPipe = Pipe()
process.standardError = errorPipe
process.launch()
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 execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}
``` // XCTAssertTrue failedfunc execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
task.waitUntilExit()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)
return (output ?? "", "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
task.waitUntilExit()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)
return (output ?? "", "")
}
``` // XCTAssertTrue failedfunc execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}
``` // XCTAssertTrue failedfunc execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
task.waitUntilExit()
return (output, "")
}
``` // XCTAssertTrue failedfunc execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)
return (output ?? "", "")
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)
return (output ?? "", "")
}
``` // XCTAssertTrue failedfunc memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedValue = cache[input] {
return cachedValue
} else {
let result = function(input)
cache[input] = result
return result
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedValue = cache[input] {
return cachedValue
} 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 { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedValue = cache[input] {
return cachedValue
} else {
let result = function(input)
cache[input] = result
return result
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { input in
if let cachedValue = cache[input] {
return cachedValue
} 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 { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return { argument in
if let cachedValue = cache[argument] {
return cachedValue
} else {
let result = function(argument)
cache[argument] = result
return result
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return { argument in
if let cachedValue = cache[argument] {
return cachedValue
} else {
let result = function(argument)
cache[argument] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let value = cache[$0] {
return value
} else {
let value = function($0)
cache[$0] = value
return value
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let value = cache[$0] {
return value
} else {
let value = function($0)
cache[$0] = value
return value
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { x in
if let cachedValue = cache[x] {
return cachedValue
} else {
let result = function(x)
cache[x] = result
return result
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { x in
if let cachedValue = cache[x] {
return cachedValue
} else {
let result = function(x)
cache[x] = result
return result
}
}
}
```func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return { arg in
if let value = cache[arg] {
return value
} else {
let value = function(arg)
cache[arg] = value
return value
}
}
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutablefunc retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutablefunc retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutablefunc retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutablefunc retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts where error != nil {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts where error != nil {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutablefunc retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutablefunc retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutablefunc retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
lastError = error
}
}
throw lastError!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var lastError: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
lastError = error
}
}
throw lastError!
}
```func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutablefunc retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var error: Error?
for _ in 0..<attempts {
do {
return try task()
} catch {
error = error
}
}
throw error!
}
```error = error // cannot assign to value: 'error' is immutableprotocol 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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else { return nil }
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else { return nil }
return factory() as? T
}
}
```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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else {
return nil
}
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else {
return nil
}
return factory() as? T
}
}
```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] else { return nil }
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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] else { return nil }
return factory() as? T
}
}
```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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else { return nil }
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else { return nil }
return factory() as? T
}
}
```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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else {
return nil
}
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else {
return nil
}
return factory() as? T
}
}
```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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else {
return nil
}
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else {
return nil
}
return factory() as? T
}
}
```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] else {
return nil
}
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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] else {
return nil
}
return factory() as? T
}
}
```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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else {
return nil
}
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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) {
factories[String(describing: type)] = factory
}
func resolve<T>(_ type: T.Type) -> T? {
guard let factory = factories[String(describing: type)] else {
return nil
}
return factory() as? T
}
}
```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] else {
return nil
}
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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] else {
return nil
}
return factory() as? T
}
}
```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] else { return nil }
return factory() as? T
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
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] else { return nil }
return factory() as? T
}
}
```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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else {
return
}
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else {
return
}
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else { return }
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else { return }
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let newState = transitions[state]?[event] else { return }
state = newState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let newState = transitions[state]?[event] else { return }
state = newState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else { return }
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else { return }
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let newState = transitions[state]?[event] else {
return
}
state = newState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let newState = transitions[state]?[event] else {
return
}
state = newState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else {
return
}
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else {
return
}
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let newState = transitions[state]?[event] else {
return
}
state = newState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let newState = transitions[state]?[event] else {
return
}
state = newState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else {
return
}
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else {
return
}
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else { return }
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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 state: State
private var transitions: [State: [Event: State]] = [:]
required init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state]?[event] else { return }
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```private var state: State // property 'state' must be declared internal because it matches a requirement in internal protocol 'StateMachineProtocol'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) {
currentState = state
}
func trigger(event: Event) {
guard let nextState = transitions[currentState]?[event] else { return }
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
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) {
currentState = state
}
func trigger(event: Event) {
guard let nextState = transitions[currentState]?[event] else { return }
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol { // type 'StateMachine<State, Event>' does not conform to protocol 'StateMachineProtocol'XCTAssertEqual(stateMachine.state, .green) // value of type 'StateMachine<TrafficLightState, TrafficLightEvent>' has no member 'state'XCTAssertEqual(stateMachine.state, .green) // type 'Equatable' has no member 'green'XCTAssertEqual(stateMachine.state, .yellow) // value of type 'StateMachine<TrafficLightState, TrafficLightEvent>' has no member 'state'XCTAssertEqual(stateMachine.state, .yellow) // type 'Equatable' has no member 'yellow'XCTAssertEqual(stateMachine.state, .red) // value of type 'StateMachine<TrafficLightState, TrafficLightEvent>' has no member 'state'XCTAssertEqual(stateMachine.state, .red) // type 'Equatable' has no member 'red'XCTAssertEqual(stateMachine.state, .green) // value of type 'StateMachine<TrafficLightState, TrafficLightEvent>' has no member 'state'XCTAssertEqual(stateMachine.state, .green) // type 'Equatable' has no member 'green'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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
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 let .file(_, size):
return size
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file:
return 1
case let .directory(_, contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
```protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<T>: StackProtocol {
private var elements: [T] = []
init() {}
func push(_ element: T) {
elements.append(element)
}
func pop() -> T? {
return elements.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<T>: StackProtocol {
private var elements: [T] = []
init() {}
func push(_ element: T) {
elements.append(element)
}
func pop() -> T? {
return elements.popLast()
}
}
```init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<T>'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 storage: [Element] = []
func push(_ element: Element) {
storage.append(element)
}
func pop() -> Element? {
storage.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var storage: [Element] = []
func push(_ element: Element) {
storage.append(element)
}
func pop() -> Element? {
storage.popLast()
}
}
```class Stack<Element>: StackProtocol { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'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<T>: StackProtocol {
private var elements: [T] = []
func push(_ element: T) {
elements.append(element)
}
func pop() -> T? {
return elements.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<T>: StackProtocol {
private var elements: [T] = []
func push(_ element: T) {
elements.append(element)
}
func pop() -> T? {
return elements.popLast()
}
}
```class Stack<T>: StackProtocol { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<T>'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 storage: [Element] = []
init() {}
func push(_ element: Element) {
storage.append(element)
}
func pop() -> Element? {
return storage.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var storage: [Element] = []
init() {}
func push(_ element: Element) {
storage.append(element)
}
func pop() -> Element? {
return storage.popLast()
}
}
```init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'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] = []
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```class Stack<Element>: StackProtocol { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'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 storage: [Element] = []
func push(_ element: Element) {
storage.append(element)
}
func pop() -> Element? {
storage.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var storage: [Element] = []
func push(_ element: Element) {
storage.append(element)
}
func pop() -> Element? {
storage.popLast()
}
}
```class Stack<Element>: StackProtocol { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'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] = []
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```class Stack<Element>: StackProtocol { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'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<T>: StackProtocol {
private var elements: [T] = []
func push(_ element: T) {
elements.append(element)
}
func pop() -> T? {
return elements.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<T>: StackProtocol {
private var elements: [T] = []
func push(_ element: T) {
elements.append(element)
}
func pop() -> T? {
return elements.popLast()
}
}
```class Stack<T>: StackProtocol { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<T>'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<T>: StackProtocol {
private var array: [T] = []
func push(_ element: T) {
array.append(element)
}
func pop() -> T? {
return array.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<T>: StackProtocol {
private var array: [T] = []
func push(_ element: T) {
array.append(element)
}
func pop() -> T? {
return array.popLast()
}
}
```class Stack<T>: StackProtocol { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<T>'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<T>: StackProtocol {
private var elements: [T] = []
func push(_ element: T) {
elements.append(element)
}
func pop() -> T? {
return elements.popLast()
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<T>: StackProtocol {
private var elements: [T] = []
func push(_ element: T) {
elements.append(element)
}
func pop() -> T? {
return elements.popLast()
}
}
```class Stack<T>: StackProtocol { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<T>'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 cache: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if cache.count == capacity {
let key = queue.removeFirst()
cache.removeValue(forKey: key)
}
queue.append(key)
cache[key] = newValue
} else {
cache.removeValue(forKey: key)
queue = queue.filter { $0 != key }
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if cache.count == capacity {
let key = queue.removeFirst()
cache.removeValue(forKey: key)
}
queue.append(key)
cache[key] = newValue
} else {
cache.removeValue(forKey: key)
queue = queue.filter { $0 != key }
}
}
}
}
```init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Element>'protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
}
queue.append(key)
cache[key] = newValue
if cache.count > capacity {
cache.removeValue(forKey: queue.first!)
queue.removeFirst()
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
}
queue.append(key)
cache[key] = newValue
if cache.count > capacity {
cache.removeValue(forKey: queue.first!)
queue.removeFirst()
}
}
}
}
```init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Element>'protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private var capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if cache.count == capacity {
cache[queue.removeFirst()] = nil
}
cache[key] = newValue
queue.append(key)
} else {
cache[key] = nil
queue.removeAll { $0 == key }
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private var capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if cache.count == capacity {
cache[queue.removeFirst()] = nil
}
cache[key] = newValue
queue.append(key)
} else {
cache[key] = nil
queue.removeAll { $0 == key }
}
}
}
}
```protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private let capacity: Int
private var cache = [Key: Element]()
private var priority = [Key]()
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = priority.firstIndex(of: key) {
priority.remove(at: index)
priority.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if let index = priority.firstIndex(of: key) {
priority.remove(at: index)
}
if priority.count >= capacity {
cache.removeValue(forKey: priority.removeFirst())
}
priority.append(key)
cache[key] = newValue
} else {
cache.removeValue(forKey: key)
if let index = priority.firstIndex(of: key) {
priority.remove(at: index)
}
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private let capacity: Int
private var cache = [Key: Element]()
private var priority = [Key]()
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = priority.firstIndex(of: key) {
priority.remove(at: index)
priority.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if let index = priority.firstIndex(of: key) {
priority.remove(at: index)
}
if priority.count >= capacity {
cache.removeValue(forKey: priority.removeFirst())
}
priority.append(key)
cache[key] = newValue
} else {
cache.removeValue(forKey: key)
if let index = priority.firstIndex(of: key) {
priority.remove(at: index)
}
}
}
}
}
```init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Element>'protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private let capacity: Int
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if cache.count == capacity {
cache[queue.removeFirst()] = nil
}
cache[key] = newValue
queue.append(key)
} else {
cache[key] = nil
queue.removeAll { $0 == key }
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private let capacity: Int
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if cache.count == capacity {
cache[queue.removeFirst()] = nil
}
cache[key] = newValue
queue.append(key)
} else {
cache[key] = nil
queue.removeAll { $0 == key }
}
}
}
}
```init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Element>'protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if cache.count == capacity, let key = queue.first {
cache.removeValue(forKey: key)
queue.removeFirst()
}
cache[key] = newValue
queue.append(key)
} else {
cache.removeValue(forKey: key)
queue.removeAll { $0 == key }
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if cache.count == capacity, let key = queue.first {
cache.removeValue(forKey: key)
queue.removeFirst()
}
cache[key] = newValue
queue.append(key)
} else {
cache.removeValue(forKey: key)
queue.removeAll { $0 == key }
}
}
}
}
```init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Element>'protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private var capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if queue.count == capacity {
cache.removeValue(forKey: queue.removeFirst())
}
cache[key] = newValue
queue.append(key)
} else {
cache.removeValue(forKey: key)
queue.removeAll(where: { $0 == key })
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private var capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let newValue = newValue {
if queue.count == capacity {
cache.removeValue(forKey: queue.removeFirst())
}
cache[key] = newValue
queue.append(key)
} else {
cache.removeValue(forKey: key)
queue.removeAll(where: { $0 == 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 cache: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let value = newValue {
if queue.count == capacity {
cache.removeValue(forKey: queue.removeFirst())
}
cache[key] = value
queue.append(key)
} else {
cache.removeValue(forKey: key)
queue = queue.filter { $0 != key }
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return cache[key]
}
set {
if let value = newValue {
if queue.count == capacity {
cache.removeValue(forKey: queue.removeFirst())
}
cache[key] = value
queue.append(key)
} else {
cache.removeValue(forKey: key)
queue = queue.filter { $0 != 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 cache: [Key: Element] = [:]
private var keys: [Key] = []
private var capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = keys.firstIndex(of: key) {
keys.remove(at: index)
keys.append(key)
}
return cache[key]
}
set {
if let index = keys.firstIndex(of: key) {
keys.remove(at: index)
}
keys.append(key)
cache[key] = newValue
if keys.count > capacity {
let key = keys.removeFirst()
cache.removeValue(forKey: key)
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var cache: [Key: Element] = [:]
private var keys: [Key] = []
private var capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = keys.firstIndex(of: key) {
keys.remove(at: index)
keys.append(key)
}
return cache[key]
}
set {
if let index = keys.firstIndex(of: key) {
keys.remove(at: index)
}
keys.append(key)
cache[key] = newValue
if keys.count > capacity {
let key = keys.removeFirst()
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 storage: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return storage[key]
}
set {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
}
queue.append(key)
storage[key] = newValue
if queue.count > capacity {
let key = queue.removeFirst()
storage.removeValue(forKey: key)
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Element>: CacheProtocol {
private var storage: [Key: Element] = [:]
private var queue: [Key] = []
private let capacity: Int
required init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Element? {
get {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
queue.append(key)
}
return storage[key]
}
set {
if let index = queue.firstIndex(of: key) {
queue.remove(at: index)
}
queue.append(key)
storage[key] = newValue
if queue.count > capacity {
let key = queue.removeFirst()
storage.removeValue(forKey: key)
}
}
}
}
```protocol 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 var cache: [Key: (value: Value, expirationDate: Date)] = [:]
private let queue = DispatchQueue(label: "com.expirablecache.cacheQueue", qos: .userInteractive)
private let expirationQueue = DispatchQueue(label: "com.expirablecache.expirationQueue", qos: .userInteractive)
private let expirationInterval: TimeInterval
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
expirationQueue.async { [weak self] in
while true {
self?.cleanExpired()
Thread.sleep(forTimeInterval: self?.expirationInterval ?? 0)
}
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: expirationInterval)
}
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async { [weak self] in
self?.cache[key] = (value, Date().addingTimeInterval(expiration))
}
}
func get(key: Key) -> Value? {
return queue.sync {
cache[key]?.value
}
}
private func cleanExpired() {
queue.async { [weak self] in
self?.cache = self?.cache.filter { $0.value.expirationDate > Date() } ?? [:]
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expirationDate: Date)] = [:]
private let queue = DispatchQueue(label: "com.expirablecache.cacheQueue", qos: .userInteractive)
private let expirationQueue = DispatchQueue(label: "com.expirablecache.expirationQueue", qos: .userInteractive)
private let expirationInterval: TimeInterval
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
expirationQueue.async { [weak self] in
while true {
self?.cleanExpired()
Thread.sleep(forTimeInterval: self?.expirationInterval ?? 0)
}
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: expirationInterval)
}
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async { [weak self] in
self?.cache[key] = (value, Date().addingTimeInterval(expiration))
}
}
func get(key: Key) -> Value? {
return queue.sync {
cache[key]?.value
}
}
private func cleanExpired() {
queue.async { [weak self] in
self?.cache = self?.cache.filter { $0.value.expirationDate > Date() } ?? [:]
}
}
}
```let cache = ExpirableCache<String, String>() // missing argument for parameter 'expirationInterval' in callThread.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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "ExpirableCacheQueue", qos: .userInitiated)
private let dateProvider: () -> Date
init(dateProvider: @escaping () -> Date = Date.init) {
self.dateProvider = dateProvider
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, self.dateProvider().addingTimeInterval(expiration))
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key], expiration > dateProvider() else {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: 60)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "ExpirableCacheQueue", qos: .userInitiated)
private let dateProvider: () -> Date
init(dateProvider: @escaping () -> Date = Date.init) {
self.dateProvider = dateProvider
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, self.dateProvider().addingTimeInterval(expiration))
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key], expiration > dateProvider() else {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: 60)
}
}
}
```self.cache[key] = (value, self.dateProvider().addingTimeInterval(expiration)) // cannot assign value of type '(Value, Date)' to subscript of type '(value: Value, expiration: TimeInterval)' (aka '(value: Value, expiration: Double)')guard let (value, expiration) = cache[key], expiration > dateProvider() else { // cannot convert value of type 'TimeInterval' (aka 'Double') to expected argument type 'Date'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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "ExpirableCacheQueue", qos: .userInitiated)
private let dateProvider: () -> Date
init(dateProvider: @escaping () -> Date = Date.init) {
self.dateProvider = dateProvider
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, self.dateProvider().addingTimeInterval(expiration))
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key], expiration > dateProvider() else {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: 60)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "ExpirableCacheQueue", qos: .userInitiated)
private let dateProvider: () -> Date
init(dateProvider: @escaping () -> Date = Date.init) {
self.dateProvider = dateProvider
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, self.dateProvider().addingTimeInterval(expiration))
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key], expiration > dateProvider() else {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: 60)
}
}
}
```self.cache[key] = (value, self.dateProvider().addingTimeInterval(expiration)) // cannot assign value of type '(Value, Date)' to subscript of type '(value: Value, expiration: TimeInterval)' (aka '(value: Value, expiration: Double)')guard let (value, expiration) = cache[key], expiration > dateProvider() else { // cannot convert value of type 'TimeInterval' (aka 'Double') to expected argument type 'Date'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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private var timer: Timer?
private let queue = DispatchQueue(label: "ExpirableCacheQueue")
init() {
timer = Timer.scheduledTimer(withTimeInterval: 1, repeats: true) { [weak self] _ in
self?.cleanup()
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
put(value: newValue!, key: key, expiration: 0)
}
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, Date().timeIntervalSince1970 + expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
return cache[key]?.value
}
}
private func cleanup() {
queue.async {
let now = Date().timeIntervalSince1970
self.cache = self.cache.filter { $0.value.expiration > now }
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private var timer: Timer?
private let queue = DispatchQueue(label: "ExpirableCacheQueue")
init() {
timer = Timer.scheduledTimer(withTimeInterval: 1, repeats: true) { [weak self] _ in
self?.cleanup()
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
put(value: newValue!, key: key, expiration: 0)
}
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, Date().timeIntervalSince1970 + expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
return cache[key]?.value
}
}
private func cleanup() {
queue.async {
let now = Date().timeIntervalSince1970
self.cache = self.cache.filter { $0.value.expiration > now }
}
}
}
```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 6 // XCTAssertNil failed: expression is not nilprotocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private var timer: Timer?
private let queue = DispatchQueue(label: "ExpirableCacheQueue")
init() {
timer = Timer.scheduledTimer(withTimeInterval: 1, repeats: true) { [weak self] _ in
self?.queue.async {
self?.cleanExpired()
}
}
}
deinit {
timer?.invalidate()
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
cache[key]?.value
}
}
private func cleanExpired() {
let now = Date().timeIntervalSince1970
cache = cache.filter { $0.value.expiration > now }
}
subscript(key: Key) -> Value? {
get {
get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: 10)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private var timer: Timer?
private let queue = DispatchQueue(label: "ExpirableCacheQueue")
init() {
timer = Timer.scheduledTimer(withTimeInterval: 1, repeats: true) { [weak self] _ in
self?.queue.async {
self?.cleanExpired()
}
}
}
deinit {
timer?.invalidate()
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
cache[key]?.value
}
}
private func cleanExpired() {
let now = Date().timeIntervalSince1970
cache = cache.filter { $0.value.expiration > now }
}
subscript(key: Key) -> Value? {
get {
get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: 10)
}
}
}
```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 6 // XCTAssertNil failed: expression is not nilprotocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "com.ExpirableCache.queue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key] else {
return nil
}
if expiration < Date().timeIntervalSince1970 {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: 60)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "com.ExpirableCache.queue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key] else {
return nil
}
if expiration < Date().timeIntervalSince1970 {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else {
return
}
put(value: value, key: key, expiration: 60)
}
}
}
```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 6 // XCTAssertEqual failed: (nil) is not equal to (Optional("Hello, SwiftEval!"))protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "com.cache.queue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let cacheValue = cache[key] else { return nil }
guard cacheValue.expiration > Date().timeIntervalSince1970 else {
cache.removeValue(forKey: key)
return nil
}
return cacheValue.value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else { return }
put(value: value, key: key, expiration: 0)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "com.cache.queue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let cacheValue = cache[key] else { return nil }
guard cacheValue.expiration > Date().timeIntervalSince1970 else {
cache.removeValue(forKey: key)
return nil
}
return cacheValue.value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else { return }
put(value: value, key: key, expiration: 0)
}
}
}
```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 6 // XCTAssertEqual failed: (nil) is not equal to (Optional("Hello, SwiftEval!"))protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "com.ExpirableCache.queue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key] else { return nil }
guard expiration > Date().timeIntervalSince1970 else {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else { return }
put(value: value, key: key, expiration: 0)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "com.ExpirableCache.queue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key] else { return nil }
guard expiration > Date().timeIntervalSince1970 else {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else { return }
put(value: value, key: key, expiration: 0)
}
}
}
```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 6 // XCTAssertEqual failed: (nil) is not equal to (Optional("Hello, SwiftEval!"))protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "com.expirablecache.queue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async { [weak self] in
self?.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let cacheValue = cache[key] else { return nil }
if cacheValue.expiration < Date().timeIntervalSince1970 {
cache.removeValue(forKey: key)
return nil
}
return cacheValue.value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else { return }
put(value: value, key: key, expiration: 60 * 60)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "com.expirablecache.queue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async { [weak self] in
self?.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let cacheValue = cache[key] else { return nil }
if cacheValue.expiration < Date().timeIntervalSince1970 {
cache.removeValue(forKey: key)
return nil
}
return cacheValue.value
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
guard let value = newValue else { return }
put(value: value, key: key, expiration: 60 * 60)
}
}
}
```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 6 // XCTAssertEqual failed: (nil) is not equal to (Optional("Hello, SwiftEval!"))protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "ExpirableCacheQueue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async { [weak self] in
self?.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key] else { return nil }
guard expiration > Date().timeIntervalSince1970 else {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
get(key: key)
}
set {
guard let value = newValue else { return }
put(value: value, key: key, expiration: 0)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol 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 var cache: [Key: (value: Value, expiration: TimeInterval)] = [:]
private let queue = DispatchQueue(label: "ExpirableCacheQueue")
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async { [weak self] in
self?.cache[key] = (value, expiration)
}
}
func get(key: Key) -> Value? {
queue.sync {
guard let (value, expiration) = cache[key] else { return nil }
guard expiration > Date().timeIntervalSince1970 else {
cache[key] = nil
return nil
}
return value
}
}
subscript(key: Key) -> Value? {
get {
get(key: key)
}
set {
guard let value = newValue else { return }
put(value: value, key: key, expiration: 0)
}
}
}
```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 6 // XCTAssertEqual failed: (nil) is not equal to (Optional("Hello, SwiftEval!"))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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var xorByte = keyData[i % keyData.count]
xorByte ^= stringData[i]
encryptedData.append(xorByte)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var xorByte = keyData[i % keyData.count]
xorByte ^= data[i]
decryptedData.append(xorByte)
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var xorByte = keyData[i % keyData.count]
xorByte ^= stringData[i]
encryptedData.append(xorByte)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var xorByte = keyData[i % keyData.count]
xorByte ^= data[i]
decryptedData.append(xorByte)
}
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
let result = NSMutableData()
var keyIndex = 0
for i in 0..<stringData.count {
result.append(stringData[i] ^ keyData[keyIndex])
keyIndex += 1
if keyIndex == keyData.count {
keyIndex = 0
}
}
return result as Data
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let result = NSMutableData()
var keyIndex = 0
for i in 0..<data.count {
result.append(data[i] ^ keyData[keyIndex])
keyIndex += 1
if keyIndex == keyData.count {
keyIndex = 0
}
}
return String(data: result as Data, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
let result = NSMutableData()
var keyIndex = 0
for i in 0..<stringData.count {
result.append(stringData[i] ^ keyData[keyIndex])
keyIndex += 1
if keyIndex == keyData.count {
keyIndex = 0
}
}
return result as Data
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let result = NSMutableData()
var keyIndex = 0
for i in 0..<data.count {
result.append(data[i] ^ keyData[keyIndex])
keyIndex += 1
if keyIndex == keyData.count {
keyIndex = 0
}
}
return String(data: result as Data, encoding: .utf8)!
}
}
```result.append(stringData[i] ^ keyData[keyIndex]) // cannot convert value of type 'UInt8' to expected argument type 'Data'result.append(data[i] ^ keyData[keyIndex]) // cannot convert value of type 'UInt8' to expected argument type 'Data'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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&byte, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i] ^ keyData[i % keyData.count]
decryptedData.append(&byte, count: 1)
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&byte, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i] ^ keyData[i % keyData.count]
decryptedData.append(&byte, count: 1)
}
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
encryptedData.append(stringData[i] ^ keyData[i % keyData.count])
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
decryptedData.append(data[i] ^ keyData[i % keyData.count])
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
encryptedData.append(stringData[i] ^ keyData[i % keyData.count])
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
decryptedData.append(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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i]
byte ^= keyData[i % keyData.count]
encryptedData.append(byte)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i]
byte ^= keyData[i % keyData.count]
decryptedData.append(byte)
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i]
byte ^= keyData[i % keyData.count]
encryptedData.append(byte)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i]
byte ^= keyData[i % keyData.count]
decryptedData.append(byte)
}
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&byte, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let encryptedData = data
var decryptedData = Data()
for i in 0..<encryptedData.count {
var byte = encryptedData[i] ^ keyData[i % keyData.count]
decryptedData.append(&byte, count: 1)
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&byte, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let encryptedData = data
var decryptedData = Data()
for i in 0..<encryptedData.count {
var byte = encryptedData[i] ^ keyData[i % keyData.count]
decryptedData.append(&byte, count: 1)
}
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&byte, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i] ^ keyData[i % keyData.count]
decryptedData.append(&byte, count: 1)
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&byte, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i] ^ keyData[i % keyData.count]
decryptedData.append(&byte, count: 1)
}
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&byte, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i] ^ keyData[i % keyData.count]
decryptedData.append(&byte, count: 1)
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&byte, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i] ^ keyData[i % keyData.count]
decryptedData.append(&byte, count: 1)
}
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var xor = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&xor, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var xor = data[i] ^ keyData[i % keyData.count]
decryptedData.append(&xor, count: 1)
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var xor = stringData[i] ^ keyData[i % keyData.count]
encryptedData.append(&xor, count: 1)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var xor = data[i] ^ keyData[i % keyData.count]
decryptedData.append(&xor, count: 1)
}
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i]
byte ^= keyData[i % keyData.count]
encryptedData.append(byte)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i]
byte ^= keyData[i % keyData.count]
decryptedData.append(byte)
}
return String(data: decryptedData, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
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 keyData = key.data(using: .utf8)!
let stringData = string.data(using: .utf8)!
var encryptedData = Data()
for i in 0..<stringData.count {
var byte = stringData[i]
byte ^= keyData[i % keyData.count]
encryptedData.append(byte)
}
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
var decryptedData = Data()
for i in 0..<data.count {
var byte = data[i]
byte ^= keyData[i % keyData.count]
decryptedData.append(byte)
}
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 requestsCount: Int = 0
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestDate = lastRequestDate, now.timeIntervalSince(lastRequestDate) < timeInterval {
return false
}
if requestsCount >= maxRequests {
return false
}
requestsCount += 1
lastRequestDate = now
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int = 0
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestDate = lastRequestDate, now.timeIntervalSince(lastRequestDate) < timeInterval {
return false
}
if requestsCount >= maxRequests {
return false
}
requestsCount += 1
lastRequestDate = now
return true
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6 // XCTAssertTrue failedprotocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int = 0
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestDate = lastRequestDate, now.timeIntervalSince(lastRequestDate) < timeInterval {
return false
}
if requestsCount >= maxRequests {
return false
}
requestsCount += 1
lastRequestDate = now
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int = 0
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestDate = lastRequestDate, now.timeIntervalSince(lastRequestDate) < timeInterval {
return false
}
if requestsCount >= maxRequests {
return false
}
requestsCount += 1
lastRequestDate = now
return true
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6 // XCTAssertTrue failedprotocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int
private var lastRequestTime: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestsCount = 0
self.lastRequestTime = nil
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime {
if now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
}
if requestsCount >= maxRequests {
return false
}
requestsCount += 1
lastRequestTime = now
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int
private var lastRequestTime: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestsCount = 0
self.lastRequestTime = nil
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime {
if now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
}
if requestsCount >= maxRequests {
return false
}
requestsCount += 1
lastRequestTime = now
return true
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6 // XCTAssertTrue failedprotocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestsCount = 0
self.lastRequestDate = nil
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestDate = lastRequestDate {
if now.timeIntervalSince(lastRequestDate) < timeInterval {
return false
}
}
if requestsCount >= maxRequests {
return false
}
requestsCount += 1
lastRequestDate = now
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestsCount = 0
self.lastRequestDate = nil
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestDate = lastRequestDate {
if now.timeIntervalSince(lastRequestDate) < timeInterval {
return false
}
}
if requestsCount >= maxRequests {
return false
}
requestsCount += 1
lastRequestDate = now
return true
}
}
```Thread.sleep(forTimeInterval: 1) // class method 'sleep' is unavailable from asynchronous contexts; Use Task.sleep(until:clock:) instead.; this is an error in Swift 6 // XCTAssertTrue failedprotocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestsCount = 0
}
func allowRequest() -> Bool {
let now = Date()
let timeIntervalSinceLastRequest = lastRequestDate?.timeIntervalSince(now) ?? 0
if timeIntervalSinceLastRequest > timeInterval {
requestsCount = 0
}
if requestsCount < maxRequests {
requestsCount += 1
lastRequestDate = now
return true
}
return false
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount: Int
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestsCount = 0
}
func allowRequest() -> Bool {
let now = Date()
let timeIntervalSinceLastRequest = lastRequestDate?.timeIntervalSince(now) ?? 0
if timeIntervalSinceLastRequest > timeInterval {
requestsCount = 0
}
if requestsCount < maxRequests {
requestsCount += 1
lastRequestDate = now
return true
}
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 6 // XCTAssertTrue failedprotocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount = 0
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if requestsCount < maxRequests {
requestsCount += 1
lastRequestDate = Date()
return true
} else if let lastRequestDate = lastRequestDate,
lastRequestDate.addingTimeInterval(timeInterval) < Date() {
requestsCount = 1
self.lastRequestDate = Date()
return true
} else {
return false
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount = 0
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if requestsCount < maxRequests {
requestsCount += 1
lastRequestDate = Date()
return true
} else if let lastRequestDate = lastRequestDate,
lastRequestDate.addingTimeInterval(timeInterval) < Date() {
requestsCount = 1
self.lastRequestDate = Date()
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 requestCount: Int
private var lastRequestTime: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestCount = 0
self.lastRequestTime = nil
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime {
if now.timeIntervalSince(lastRequestTime) > timeInterval {
requestCount = 0
}
}
if requestCount < maxRequests {
requestCount += 1
lastRequestTime = now
return true
}
return false
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestCount: Int
private var lastRequestTime: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestCount = 0
self.lastRequestTime = nil
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime {
if now.timeIntervalSince(lastRequestTime) > timeInterval {
requestCount = 0
}
}
if requestCount < maxRequests {
requestCount += 1
lastRequestTime = now
return true
}
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 requestCount: Int
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestCount = 0
self.lastRequestDate = nil
}
func allowRequest() -> Bool {
let now = Date()
let timeIntervalSinceLastRequest = lastRequestDate.map { now.timeIntervalSince($0) } ?? 0
if timeIntervalSinceLastRequest > self.timeInterval {
requestCount = 0
}
if requestCount < maxRequests {
requestCount += 1
lastRequestDate = now
return true
}
return false
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestCount: Int
private var lastRequestDate: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requestCount = 0
self.lastRequestDate = nil
}
func allowRequest() -> Bool {
let now = Date()
let timeIntervalSinceLastRequest = lastRequestDate.map { now.timeIntervalSince($0) } ?? 0
if timeIntervalSinceLastRequest > self.timeInterval {
requestCount = 0
}
if requestCount < maxRequests {
requestCount += 1
lastRequestDate = now
return true
}
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 requestsCount = 0
private var lastRequestTime: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
let timeSinceLastRequest = now.timeIntervalSince(lastRequestTime ?? now)
if timeSinceLastRequest > timeInterval {
requestsCount = 0
}
if requestsCount < maxRequests {
requestsCount += 1
lastRequestTime = now
return true
}
return false
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requestsCount = 0
private var lastRequestTime: Date?
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
let timeSinceLastRequest = now.timeIntervalSince(lastRequestTime ?? now)
if timeSinceLastRequest > timeInterval {
requestsCount = 0
}
if requestsCount < maxRequests {
requestsCount += 1
lastRequestTime = now
return true
}
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 requests: [Date]
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requests = []
}
func allowRequest() -> Bool {
requests = requests.filter { $0.timeIntervalSinceNow > -timeInterval }
if requests.count < maxRequests {
requests.append(Date())
return true
}
return false
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: [Date]
required init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
self.requests = []
}
func allowRequest() -> Bool {
requests = requests.filter { $0.timeIntervalSinceNow > -timeInterval }
if requests.count < maxRequests {
requests.append(Date())
return true
}
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
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
required init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
defer { lock.unlock() }
value += 1
}
func currentValue() -> Int {
lock.lock()
defer { lock.unlock() }
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
required init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
defer { lock.unlock() }
value += 1
}
func currentValue() -> Int {
lock.lock()
defer { lock.unlock() }
return value
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private let queue = DispatchQueue(label: "com.queue.counter", attributes: .concurrent)
private var _value: Int
required init(value: Int) {
_value = value
}
func increment() {
queue.async(flags: .barrier) {
self._value += 1
}
}
func currentValue() -> Int {
var value: Int!
queue.sync {
value = self._value
}
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private let queue = DispatchQueue(label: "com.queue.counter", attributes: .concurrent)
private var _value: Int
required init(value: Int) {
_value = value
}
func increment() {
queue.async(flags: .barrier) {
self._value += 1
}
}
func currentValue() -> Int {
var value: Int!
queue.sync {
value = self._value
}
return value
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue: DispatchQueue
required init(value: Int) {
_value = value
queue = DispatchQueue(label: "ThreadSafeCounterQueue")
}
func increment() {
queue.sync {
_value += 1
}
}
func currentValue() -> Int {
var result: Int!
queue.sync {
result = _value
}
return result
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue: DispatchQueue
required init(value: Int) {
_value = value
queue = DispatchQueue(label: "ThreadSafeCounterQueue")
}
func increment() {
queue.sync {
_value += 1
}
}
func currentValue() -> Int {
var result: Int!
queue.sync {
result = _value
}
return result
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue = DispatchQueue(label: "ThreadSafeCounterQueue")
required init(value: Int) {
_value = value
}
func increment() {
queue.async {
self._value += 1
}
}
func currentValue() -> Int {
var result = 0
queue.sync {
result = self._value
}
return result
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue = DispatchQueue(label: "ThreadSafeCounterQueue")
required init(value: Int) {
_value = value
}
func increment() {
queue.async {
self._value += 1
}
}
func currentValue() -> Int {
var result = 0
queue.sync {
result = self._value
}
return result
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
required init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
defer { lock.unlock() }
value += 1
}
func currentValue() -> Int {
lock.lock()
defer { lock.unlock() }
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
required init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
defer { lock.unlock() }
value += 1
}
func currentValue() -> Int {
lock.lock()
defer { lock.unlock() }
return value
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue: DispatchQueue
required init(value: Int) {
self._value = value
self.queue = DispatchQueue(label: "ThreadSafeCounterQueue", attributes: .concurrent)
}
func increment() {
queue.async(flags: .barrier) {
self._value += 1
}
}
func currentValue() -> Int {
var result = 0
queue.sync {
result = self._value
}
return result
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue: DispatchQueue
required init(value: Int) {
self._value = value
self.queue = DispatchQueue(label: "ThreadSafeCounterQueue", attributes: .concurrent)
}
func increment() {
queue.async(flags: .barrier) {
self._value += 1
}
}
func currentValue() -> Int {
var result = 0
queue.sync {
result = self._value
}
return result
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue: DispatchQueue
required init(value: Int) {
self._value = value
self.queue = DispatchQueue(label: "com.queue.counter", attributes: .concurrent)
}
func increment() {
queue.async(flags: .barrier) {
self._value += 1
}
}
func currentValue() -> Int {
var result = 0
queue.sync {
result = self._value
}
return result
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue: DispatchQueue
required init(value: Int) {
self._value = value
self.queue = DispatchQueue(label: "com.queue.counter", attributes: .concurrent)
}
func increment() {
queue.async(flags: .barrier) {
self._value += 1
}
}
func currentValue() -> Int {
var result = 0
queue.sync {
result = self._value
}
return result
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
required init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
defer { lock.unlock() }
value += 1
}
func currentValue() -> Int {
lock.lock()
defer { lock.unlock() }
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
required init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
defer { lock.unlock() }
value += 1
}
func currentValue() -> Int {
lock.lock()
defer { lock.unlock() }
return value
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue: DispatchQueue
required init(value: Int) {
self._value = value
self.queue = DispatchQueue(label: "ThreadSafeCounterQueue")
}
func increment() {
queue.sync {
self._value += 1
}
}
func currentValue() -> Int {
var result: Int!
queue.sync {
result = self._value
}
return result
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue: DispatchQueue
required init(value: Int) {
self._value = value
self.queue = DispatchQueue(label: "ThreadSafeCounterQueue")
}
func increment() {
queue.sync {
self._value += 1
}
}
func currentValue() -> Int {
var result: Int!
queue.sync {
result = self._value
}
return result
}
}
```protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue = DispatchQueue(label: "com.queue.counter", attributes: .concurrent)
required init(value: Int) {
_value = value
}
func increment() {
queue.async(flags: .barrier) {
self._value += 1
}
}
func currentValue() -> Int {
var value: Int!
queue.sync {
value = self._value
}
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let queue = DispatchQueue(label: "com.queue.counter", attributes: .concurrent)
required init(value: Int) {
_value = value
}
func increment() {
queue.async(flags: .barrier) {
self._value += 1
}
}
func currentValue() -> Int {
var value: Int!
queue.sync {
value = self._value
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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 let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
func execute() -> Output {
return value
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes.
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private let value: Output
required init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline<U>(value: transform(value))
}
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)
}
class ObservableProperty<Value> {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get { _value }
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get { _value }
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}
extension ObservableProperty: ObservablePropertyProtocol { }
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
var value: Value {
didSet {
observers.forEach { $0.value(value) }
}
}
required init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ observer: UUID) {
observers[observer] = nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
var value: Value {
didSet {
observers.forEach { $0.value(value) }
}
}
required init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ observer: UUID) {
observers[observer] = nil
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
required init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
required init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
var value: Value {
didSet {
observers.forEach { $0.value(value) }
}
}
required init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
var value: Value {
didSet {
observers.forEach { $0.value(value) }
}
}
required init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
required init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
required init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
var value: Value {
didSet {
observers.values.forEach { $0(value) }
}
}
required init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ observer: UUID) {
observers[observer] = nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
var value: Value {
didSet {
observers.values.forEach { $0(value) }
}
}
required init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ observer: UUID) {
observers[observer] = nil
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> {
private var observers: [UUID: (Value) -> Void] = [:]
private var _value: Value
var value: Value {
get {
return _value
}
set {
_value = newValue
observers.forEach { $0.value(newValue) }
}
}
init(value: Value) {
_value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}
```protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
var value: Value {
didSet {
observers.forEach { $0.value(value) }
}
}
required init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers: [UUID: (Value) -> Void] = [:]
var value: Value {
didSet {
observers.forEach { $0.value(value) }
}
}
required init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(forKey: observer)
}
}
```protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
wrappedValue = try container.decode(Value.self)
range = (Value.min, Value.max)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: Value.IntegerLiteralType) {
wrappedValue = Value(integerLiteral: value)
range = (Value.min, Value.max)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: Value.FloatLiteralType) {
wrappedValue = Value(floatLiteral: value)
range = (Value.min, Value.max)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
typealias ID = Value.ID
var id: ID {
wrappedValue.id
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
wrappedValue = try container.decode(Value.self)
range = (Value.min, Value.max)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: Value.IntegerLiteralType) {
wrappedValue = Value(integerLiteral: value)
range = (Value.min, Value.max)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: Value.FloatLiteralType) {
wrappedValue = Value(floatLiteral: value)
range = (Value.min, Value.max)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
typealias ID = Value.ID
var id: ID {
wrappedValue.id
}
}
extension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic {
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, lhs.range)
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs.wrappedValue += rhs.wrappedValue
}
static func - (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.self.wrappedValue = range.clamped(wrappedValue) // cannot convert value of type 'Value' to expected argument type 'ClosedRange<Value>'self.wrappedValue = range.clamped(wrappedValue) // cannot assign value of type 'ClosedRange<Value>' to type 'Value'self.wrappedValue = range.clamped(wrappedValue) // missing argument label 'to:' in callrange = (Value.min, Value.max) // type 'Value' has no member 'min'range = (Value.min, Value.max) // type 'Value' has no member 'max'range = (Value.min, Value.max) // cannot assign value of type '(_, _)' to type 'ClosedRange<Value>'range = (Value.min, Value.max) // type 'Value' has no member 'min'range = (Value.min, Value.max) // cannot assign value of type '(_, _)' to type 'ClosedRange<Value>'range = (Value.min, Value.max) // type 'Value' has no member 'max'range = (Value.min, Value.max) // type 'Value' has no member 'max'range = (Value.min, Value.max) // type 'Value' has no member 'min'range = (Value.min, Value.max) // cannot assign value of type '(_, _)' to type 'ClosedRange<Value>'extension Clamped: CustomReflectable { // type 'Clamped<Value>' does not conform to protocol 'CustomReflectable'var customMirror: Mirror { // invalid redeclaration of 'customMirror'extension Clamped: CaseIterable where Value: CaseIterable { // 'CaseIterable' requires the types 'Clamped<Value>' and 'Value' be equivalentextension Clamped: CaseIterable where Value: CaseIterable { // type 'Clamped<Value>' does not conform to protocol 'CaseIterable'protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
let value = try container.decode(Value.self)
self.init(wrappedValue: value, range)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), range)
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), range)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue) in \(range)"
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: LosslessStringConvertible where Value: LosslessStringConvertible {
init?(_ description: String) {
guard let value = Value(description) else { return nil }
self.init(wrappedValue: value, range)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
let value = try container.decode(Value.self)
self.init(wrappedValue: value, range)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), range)
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), range)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue) in \(range)"
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: LosslessStringConvertible where Value: LosslessStringConvertible {
init?(_ description: String) {
guard let value = Value(description) else { return nil }
self.init(wrappedValue: value, range)
}
}
extension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic {
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, range)
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs.wrappedValue += rhs.wrappedValue
}
static func - (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, range)
}
static func -= (lhs: inout Clamped<Value>, rhs: Clamped<Value>)self.wrappedValue = range.clamp(wrappedValue) // value of type 'ClosedRange<Value>' has no member 'clamp'extension Clamped: CustomReflectable { // type 'Clamped<Value>' does not conform to protocol 'CustomReflectable'var customMirror: Mirror { // invalid redeclaration of 'customMirror'protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
private let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
var projectedValue: Clamped<Value> {
get { self }
set { self = newValue }
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
wrappedValue = try container.decode(Value.self)
range = (Value.min, Value.max)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
wrappedValue = Value(floatLiteral: value)
range = (Value.min, Value.max)
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
wrappedValue = Value(integerLiteral: value)
range = (Value.min, Value.max)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
typealias ID = Value.ID
var id: ID {
wrappedValue.id
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
private let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
var projectedValue: Clamped<Value> {
get { self }
set { self = newValue }
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
wrappedValue = try container.decode(Value.self)
range = (Value.min, Value.max)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
wrappedValue = Value(floatLiteral: value)
range = (Value.min, Value.max)
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
wrappedValue = Value(integerLiteral: value)
range = (Value.min, Value.max)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
typealias ID = Value.ID
var id: ID {
wrappedValue.id
}
}
extension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic {
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, lhs.range)
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs + rhs
}
static func - (lhs: Clamped<Value>, rhs: Clamped<self.wrappedValue = range.clamped(wrappedValue) // cannot convert value of type 'Value' to expected argument type 'ClosedRange<Value>'self.wrappedValue = range.clamped(wrappedValue) // cannot assign value of type 'ClosedRange<Value>' to type 'Value'self.wrappedValue = range.clamped(wrappedValue) // missing argument label 'to:' in callrange = (Value.min, Value.max) // cannot assign value of type '(_, _)' to type 'ClosedRange<Value>'range = (Value.min, Value.max) // type 'Value' has no member 'min'range = (Value.min, Value.max) // type 'Value' has no member 'max'range = (Value.min, Value.max) // type 'Value' has no member 'min'range = (Value.min, Value.max) // type 'Value' has no member 'max'range = (Value.min, Value.max) // cannot assign value of type '(_, _)' to type 'ClosedRange<Value>'range = (Value.min, Value.max) // cannot assign value of type '(_, _)' to type 'ClosedRange<Value>'range = (Value.min, Value.max) // type 'Value' has no member 'min'range = (Value.min, Value.max) // type 'Value' has no member 'max'extension Clamped: CustomReflectable { // type 'Clamped<Value>' does not conform to protocol 'CustomReflectable'var customMirror: Mirror { // invalid redeclaration of 'customMirror'extension Clamped: CaseIterable where Value: CaseIterable { // type 'Clamped<Value>' does not conform to protocol 'CaseIterable'extension Clamped: CaseIterable where Value: CaseIterable { // 'CaseIterable' requires the types 'Clamped<Value>' and 'Value' be equivalentprotocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
try wrappedValue.encode(to: encoder)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let value = try Value(from: decoder)
self.init(wrappedValue: value, value...value)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), value...value)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), value...value)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue) (clamped to \(range))"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue) (clamped to \(range))"
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
typealias ID = Value.ID
var id: ID {
wrappedValue.id
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
try wrappedValue.encode(to: encoder)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let value = try Value(from: decoder)
self.init(wrappedValue: value, value...value)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), value...value)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), value...value)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue) (clamped to \(range))"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue) (clamped to \(range))"
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
typealias ID = Value.ID
var id: ID {
wrappedValue.id
}
}
extension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic {
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, lhs.range.clamped(rhs.range))
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs.wrappedValue += rhs.wrappedValue
}
static func - (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, lhs.range.clamped(rhs.range))
}
static func -= (lhs: inout Clamped<Value>, rhs: Clampedself.wrappedValue = range.clamped(wrappedValue) // cannot convert value of type 'Value' to expected argument type 'ClosedRange<Value>'self.wrappedValue = range.clamped(wrappedValue) // cannot assign value of type 'ClosedRange<Value>' to type 'Value'self.wrappedValue = range.clamped(wrappedValue) // missing argument label 'to:' in callself.init(wrappedValue: Value(integerLiteral: value), value...value) // cannot convert value of type 'Clamped<Value>.IntegerLiteralType' (aka 'Value.IntegerLiteralType') to expected argument type 'Value'self.init(wrappedValue: Value(integerLiteral: value), value...value) // cannot convert value of type 'Clamped<Value>.IntegerLiteralType' (aka 'Value.IntegerLiteralType') to expected argument type 'Value'self.init(wrappedValue: Value(floatLiteral: value), value...value) // cannot convert value of type 'Clamped<Value>.FloatLiteralType' (aka 'Value.FloatLiteralType') to expected argument type 'Value'self.init(wrappedValue: Value(floatLiteral: value), value...value) // cannot convert value of type 'Clamped<Value>.FloatLiteralType' (aka 'Value.FloatLiteralType') to expected argument type 'Value'extension Clamped: CaseIterable where Value: CaseIterable { // 'CaseIterable' requires the types 'Clamped<Value>' and 'Value' be equivalentextension Clamped: CaseIterable where Value: CaseIterable { // type 'Clamped<Value>' does not conform to protocol 'CaseIterable'protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {}
extension Clamped: Hashable where Value: Hashable {}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
try wrappedValue.encode(to: encoder)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let value = try Value(from: decoder)
self.init(wrappedValue: value, value...value)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), value...value)
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), value...value)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue) in \(range)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue) in \(range)"
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
typealias ID = Value.ID
var id: ID {
wrappedValue.id
}
}
extension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic {
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, lhs.range.clamped(rhs.range))
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs + rhs
}
static func - (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, lhs.range.clamped(rhs.range))
}
static func -= (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs - rhs
}
static prefix func - (operand: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: -operand.wrappedValue, operand.range)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {}
extension Clamped: Hashable where Value: Hashable {}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
try wrappedValue.encode(to: encoder)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let value = try Value(from: decoder)
self.init(wrappedValue: value, value...value)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), value...value)
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), value...value)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue) in \(range)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue) in \(range)"
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
typealias ID = Value.ID
var id: ID {
wrappedValue.id
}
}
extension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic {
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, lhs.range.clamped(rhs.range))
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs + rhs
}
static func - (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, lhs.range.clamped(rhs.range))
}
static func -= (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs - rhs
}
static prefix func - (operand: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: -operand.wrappedValue, operand.range)
}
}
extension Clamped: Numeric where Value: Numeric {
init?<T>(exactly source:self.wrappedValue = range.clamped(wrappedValue) // cannot convert value of type 'Value' to expected argument type 'ClosedRange<Value>'self.wrappedValue = range.clamped(wrappedValue) // cannot assign value of type 'ClosedRange<Value>' to type 'Value'self.wrappedValue = range.clamped(wrappedValue) // missing argument label 'to:' in callself.init(wrappedValue: Value(floatLiteral: value), value...value) // cannot convert value of type 'Clamped<Value>.FloatLiteralType' (aka 'Value.FloatLiteralType') to expected argument type 'Value'self.init(wrappedValue: Value(floatLiteral: value), value...value) // cannot convert value of type 'Clamped<Value>.FloatLiteralType' (aka 'Value.FloatLiteralType') to expected argument type 'Value'self.init(wrappedValue: Value(integerLiteral: value), value...value) // cannot convert value of type 'Clamped<Value>.IntegerLiteralType' (aka 'Value.IntegerLiteralType') to expected argument type 'Value'self.init(wrappedValue: Value(integerLiteral: value), value...value) // cannot convert value of type 'Clamped<Value>.IntegerLiteralType' (aka 'Value.IntegerLiteralType') to expected argument type 'Value'extension Clamped: CaseIterable where Value: CaseIterable { // type 'Clamped<Value>' does not conform to protocol 'CaseIterable'extension Clamped: CaseIterable where Value: CaseIterable { // 'CaseIterable' requires the types 'Clamped<Value>' and 'Value' be equivalentextension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic { // type 'Clamped<Value>' does not conform to protocol 'AdditiveArithmetic'Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, lhs.range.clamped(rhs.range)) // missing argument label 'to:' in callClamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, lhs.range.clamped(rhs.range)) // missing argument label 'to:' in callClamped(wrappedValue: -operand.wrappedValue, operand.range) // unary operator '-' cannot be applied to an operand of type 'Value'protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
wrappedValue = try container.decode(Value.self)
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max))
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
wrappedValue = Value(integerLiteral: value)
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max))
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
wrappedValue = Value(floatLiteral: value)
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max))
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: RawRepresentable where Value: RawRepresentable {
typealias RawValue = Value.RawValue
init?(rawValue: RawValue) {
guard let value = Value(rawValue: rawValue) else { return nil }
wrappedValue = value
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max))
}
var rawValue: RawValue {
wrappedValue.rawValue
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
wrappedValue = try container.decode(Value.self)
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max))
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
wrappedValue = Value(integerLiteral: value)
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max))
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
wrappedValue = Value(floatLiteral: value)
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max))
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: RawRepresentable where Value: RawRepresentable {
typealias RawValue = Value.RawValue
init?(rawValue: RawValue) {
guard let value = Value(rawValue: rawValue) else { return nil }
wrappedValue = value
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max))
}
var rawValue: RawValue {
wrappedValue.rawValue
}
}
extension Clamped: LosslessStringConvertible where Value: LosslessStringConvertible {
init?(_ description: String) {
guard let value = Value(description) else { return nil }
wrappedValue = value
range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.maxself.wrappedValue = range.clamp(wrappedValue) // value of type 'ClosedRange<Value>' has no member 'clamp'range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max)) // type 'Value' has no member 'min'range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max)) // type 'Value' has no member 'max'range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max)) // type 'Value' has no member 'min'range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max)) // type 'Value' has no member 'max'range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max)) // type 'Value' has no member 'min'range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max)) // type 'Value' has no member 'max'extension Clamped: CustomReflectable { // type 'Clamped<Value>' does not conform to protocol 'CustomReflectable'var customMirror: Mirror { // invalid redeclaration of 'customMirror'extension Clamped: CaseIterable where Value: CaseIterable { // 'CaseIterable' requires the types 'Clamped<Value>' and 'Value' be equivalentextension Clamped: CaseIterable where Value: CaseIterable { // type 'Clamped<Value>' does not conform to protocol 'CaseIterable'range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max)) // type 'Value' has no member 'min'range = ClosedRange(uncheckedBounds: (lower: Value.min, upper: Value.max)) // type 'Value' has no member 'max'protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
private let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
var projectedValue: Clamped<Value> {
get { self }
set { self = newValue }
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
let value = try container.decode(Value.self)
self.init(wrappedValue: value, range)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), range)
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), range)
}
}
extension Clamped: Numeric where Value: Numeric {
init?<T>(exactly source: T) where T: BinaryInteger {
guard let value = Value(exactly: source) else { return nil }
self.init(wrappedValue: value, range)
}
var magnitude: Value.Magnitude {
wrappedValue.magnitude
}
static func * (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue * rhs.wrappedValue, range)
}
static func *= (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs * rhs
}
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, range)
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs + rhs
}
static func - (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, range)
}
static func -= (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs - rhs
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
private let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
var projectedValue: Clamped<Value> {
get { self }
set { self = newValue }
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
let value = try container.decode(Value.self)
self.init(wrappedValue: value, range)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), range)
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), range)
}
}
extension Clamped: Numeric where Value: Numeric {
init?<T>(exactly source: T) where T: BinaryInteger {
guard let value = Value(exactly: source) else { return nil }
self.init(wrappedValue: value, range)
}
var magnitude: Value.Magnitude {
wrappedValue.magnitude
}
static func * (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue * rhs.wrappedValue, range)
}
static func *= (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs * rhs
}
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, range)
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs + rhs
}
static func - (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, range)
}
static func -= (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs = lhs - rhs
}
}
extension Clamped: SignedNumeric where Value: SignedNumeric {
init?<T>(exactly source: T) where T: BinaryInteger {self.wrappedValue = range.clamp(wrappedValue) // value of type 'ClosedRange<Value>' has no member 'clamp'extension Clamped: Numeric where Value: Numeric { // conditional conformance of type 'Clamped<Value>' to protocol 'Numeric' does not imply conformance to inherited protocol 'AdditiveArithmetic'Clamped(wrappedValue: lhs.wrappedValue * rhs.wrappedValue, range) // instance member 'range' cannot be used on type 'Clamped<Value>'Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, range) // instance member 'range' cannot be used on type 'Clamped<Value>'Clamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, range) // instance member 'range' cannot be used on type 'Clamped<Value>'protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
private let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
var projectedValue: Clamped<Value> { self }
}
extension Clamped: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: Equatable where Value: Equatable { }
extension Clamped: Hashable where Value: Hashable { }
extension Clamped: Encodable where Value: Encodable { }
extension Clamped: Decodable where Value: Decodable { }
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: Value.IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), 0...Value.max)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: Value.FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), 0...Value.greatestFiniteMagnitude)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue) in \(range)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
description
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
description
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundQuickLookable {
var customPlaygroundQuickLook: PlaygroundQuickLook {
.text(description)
}
}
extension Clamped: CustomNestedReflectable {
func customMirror(subject: Any) -> Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomDumpRepresentable {
func dump(into writer: inout DumpWriter) {
writer.write(description)
}
}
extension Clamped: CustomDumpStringConvertible {
var customDumpDescription: String {
description
}
}
extension Clamped: CustomDumpReflectable {
func customDump(into writer: inout DumpWriter) {
writer.write(description)
}
}
extension Clamped: CustomPrettyDescription {
var prettyDescription: String {
description
}
}
extension Clamped: CustomDebugOutputConvertible {
var debugOutput: String {
description
}
}
extension Clamped: CustomDebugDumpRepresentable {
func debugDump(into writer: inout DumpWriter) {
writer.write(description)
}
}
extension Clamped: CustomDumpString {
var dumpDescription: String {
description
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
private let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamped(wrappedValue)
self.range = range
}
var projectedValue: Clamped<Value> { self }
}
extension Clamped: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: Equatable where Value: Equatable { }
extension Clamped: Hashable where Value: Hashable { }
extension Clamped: Encodable where Value: Encodable { }
extension Clamped: Decodable where Value: Decodable { }
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: Value.IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), 0...Value.max)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: Value.FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), 0...Value.greatestFiniteMagnitude)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue) in \(range)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
description
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
description
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundQuickLookable {
var customPlaygroundQuickLook: PlaygroundQuickLook {
.text(description)
}
}
extension Clamped: CustomNestedReflectable {
func customMirror(subject: Any) -> Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomDumpRepresentable {
func dump(into writer: inout DumpWriter) {
writer.write(description)
}
}
extension Clamped: CustomDumpStringConvertible {
var customDumpDescription: String {
description
}
}
extension Clamped: CustomDumpReflectable {
func customDump(into writer: inout DumpWriter) {
writer.write(description)
}
}
extension Clamped: CustomPrettyDescription {
var prettyDescription: String {
description
}
}
extension Clamped: CustomDebugOutputConvertible {
var debugOutput: String {
description
}
}
extension Clamped: CustomDebugDumpRepresentable {
func debugDump(into writer: inout DumpWriter) {
writer.write(description)
}
}
extension Clamped: CustomDumpString {
var dumpDescription: String {
description
}
}
extension Clamped: CustomDumpReflectable {
func customDump(into writer: inout DumpWriter) {
writer.write(description)
}
}
extension Clamped: CustomDumpRepresentable {
func dump(into writer: inout DumpWriter) {
writer.write(description)
}
}
extension Clamped: CustomDumpStringConvertible {
var customself.wrappedValue = range.clamped(wrappedValue) // cannot convert value of type 'Value' to expected argument type 'ClosedRange<Value>'self.wrappedValue = range.clamped(wrappedValue) // cannot assign value of type 'ClosedRange<Value>' to type 'Value'self.wrappedValue = range.clamped(wrappedValue) // missing argument label 'to:' in callself.init(wrappedValue: Value(integerLiteral: value), 0...Value.max) // type 'Value' has no member 'max'self.init(wrappedValue: Value(floatLiteral: value), 0...Value.greatestFiniteMagnitude) // type 'Value' has no member 'greatestFiniteMagnitude'self.init(wrappedValue: Value(floatLiteral: value), 0...Value.greatestFiniteMagnitude) // cannot convert value of type 'Int' to expected argument type 'Value'extension Clamped: CustomReflectable { // type 'Clamped<Value>' does not conform to protocol 'CustomReflectable'var customMirror: Mirror { // invalid redeclaration of 'customMirror'extension Clamped: CustomPlaygroundQuickLookable { // 'CustomPlaygroundQuickLookable' is unavailable: CustomPlaygroundQuickLookable will be removed in a future Swift version. For customizing how types are presented in playgrounds, use CustomPlaygroundDisplayConvertible instead.var customPlaygroundQuickLook: PlaygroundQuickLook { // 'PlaygroundQuickLook' is deprecated: PlaygroundQuickLook will be removed in a future Swift version. For customizing how types are presented in playgrounds, use CustomPlaygroundDisplayConvertible instead.extension Clamped: CustomNestedReflectable { // cannot find type 'CustomNestedReflectable' in scopeextension Clamped: CustomDumpRepresentable { // cannot find type 'CustomDumpRepresentable' in scopefunc dump(into writer: inout DumpWriter) { // cannot find type 'DumpWriter' in scopeextension Clamped: CustomDumpStringConvertible { // cannot find type 'CustomDumpStringConvertible' in scopeextension Clamped: CustomDumpReflectable { // cannot find type 'CustomDumpReflectable' in scopefunc customDump(into writer: inout DumpWriter) { // cannot find type 'DumpWriter' in scopeextension Clamped: CustomPrettyDescription { // cannot find type 'CustomPrettyDescription' in scopeextension Clamped: CustomDebugOutputConvertible { // cannot find type 'CustomDebugOutputConvertible' in scopeextension Clamped: CustomDebugDumpRepresentable { // cannot find type 'CustomDebugDumpRepresentable' in scopefunc debugDump(into writer: inout DumpWriter) { // cannot find type 'DumpWriter' in scopeextension Clamped: CustomDumpString { // cannot find type 'CustomDumpString' in scopeprotocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
let value = try container.decode(Value.self)
self.init(wrappedValue: value, range)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), range)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), range)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: RawRepresentable where Value: RawRepresentable {
typealias RawValue = Value.RawValue
init?(rawValue: RawValue) {
guard let value = Value(rawValue: rawValue) else { return nil }
self.init(wrappedValue: value, range)
}
var rawValue: RawValue {
wrappedValue.rawValue
}
}
extension Clamped: LosslessStringConvertible where Value: LosslessStringConvertible {
init?(_ description: String) {
guard let value = Value(description) else { return nil }
self.init(wrappedValue: value, range)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
var container = encoder.singleValueContainer()
try container.encode(wrappedValue)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let container = try decoder.singleValueContainer()
let value = try container.decode(Value.self)
self.init(wrappedValue: value, range)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = Value.IntegerLiteralType
init(integerLiteral value: IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), range)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
typealias FloatLiteralType = Value.FloatLiteralType
init(floatLiteral value: FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), range)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
"\(wrappedValue)"
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: RawRepresentable where Value: RawRepresentable {
typealias RawValue = Value.RawValue
init?(rawValue: RawValue) {
guard let value = Value(rawValue: rawValue) else { return nil }
self.init(wrappedValue: value, range)
}
var rawValue: RawValue {
wrappedValue.rawValue
}
}
extension Clamped: LosslessStringConvertible where Value: LosslessStringConvertible {
init?(_ description: String) {
guard let value = Value(description) else { return nil }
self.init(wrappedValue: value, range)
}
}
extension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic {
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.self.wrappedValue = range.clamp(wrappedValue) // value of type 'ClosedRange<Value>' has no member 'clamp'extension Clamped: CustomReflectable { // type 'Clamped<Value>' does not conform to protocol 'CustomReflectable'var customMirror: Mirror { // invalid redeclaration of 'customMirror'extension Clamped: CaseIterable where Value: CaseIterable { // type 'Clamped<Value>' does not conform to protocol 'CaseIterable'extension Clamped: CaseIterable where Value: CaseIterable { // 'CaseIterable' requires the types 'Clamped<Value>' and 'Value' be equivalentprotocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
try wrappedValue.encode(to: encoder)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let value = try Value(from: decoder)
self.init(wrappedValue: value, value)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
init(integerLiteral value: Value.IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), value)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
init(floatLiteral value: Value.FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), value)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
String(describing: wrappedValue)
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
String(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
var id: Value.ID {
wrappedValue.id
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
let range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = range.clamp(wrappedValue)
self.range = range
}
}
extension Clamped: Equatable where Value: Equatable {
static func == (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue == rhs.wrappedValue
}
}
extension Clamped: Hashable where Value: Hashable {
func hash(into hasher: inout Hasher) {
hasher.combine(wrappedValue)
}
}
extension Clamped: Encodable where Value: Encodable {
func encode(to encoder: Encoder) throws {
try wrappedValue.encode(to: encoder)
}
}
extension Clamped: Decodable where Value: Decodable {
init(from decoder: Decoder) throws {
let value = try Value(from: decoder)
self.init(wrappedValue: value, value)
}
}
extension Clamped: Comparable where Value: Comparable {
static func < (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Bool {
lhs.wrappedValue < rhs.wrappedValue
}
}
extension Clamped: ExpressibleByIntegerLiteral where Value: ExpressibleByIntegerLiteral {
init(integerLiteral value: Value.IntegerLiteralType) {
self.init(wrappedValue: Value(integerLiteral: value), value)
}
}
extension Clamped: ExpressibleByFloatLiteral where Value: ExpressibleByFloatLiteral {
init(floatLiteral value: Value.FloatLiteralType) {
self.init(wrappedValue: Value(floatLiteral: value), value)
}
}
extension Clamped: CustomStringConvertible {
var description: String {
String(describing: wrappedValue)
}
}
extension Clamped: CustomDebugStringConvertible {
var debugDescription: String {
String(reflecting: wrappedValue)
}
}
extension Clamped: CustomPlaygroundDisplayConvertible {
var playgroundDescription: Any {
wrappedValue
}
}
extension Clamped: CustomReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CustomLeafReflectable {
var customMirror: Mirror {
Mirror(reflecting: wrappedValue)
}
}
extension Clamped: CaseIterable where Value: CaseIterable {
typealias AllCases = Value.AllCases
static var allCases: AllCases {
Value.allCases
}
}
extension Clamped: Identifiable where Value: Identifiable {
var id: Value.ID {
wrappedValue.id
}
}
extension Clamped: AdditiveArithmetic where Value: AdditiveArithmetic {
static func + (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue + rhs.wrappedValue, lhs.range)
}
static func += (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs.wrappedValue += rhs.wrappedValue
}
static func - (lhs: Clamped<Value>, rhs: Clamped<Value>) -> Clamped<Value> {
Clamped(wrappedValue: lhs.wrappedValue - rhs.wrappedValue, lhs.range)
}
static func -= (lhs: inout Clamped<Value>, rhs: Clamped<Value>) {
lhs.wrappedValue -= rhs.wrappedValue
}
static var zeroself.wrappedValue = range.clamp(wrappedValue) // value of type 'ClosedRange<Value>' has no member 'clamp'self.init(wrappedValue: value, value) // cannot convert value of type 'Value' to expected argument type 'ClosedRange<Value>'self.init(wrappedValue: Value(integerLiteral: value), value) // cannot convert value of type 'Value.IntegerLiteralType' to expected argument type 'ClosedRange<Value>'self.init(wrappedValue: Value(floatLiteral: value), value) // cannot convert value of type 'Value.FloatLiteralType' to expected argument type 'ClosedRange<Value>'extension Clamped: CustomReflectable { // type 'Clamped<Value>' does not conform to protocol 'CustomReflectable'var customMirror: Mirror { // invalid redeclaration of 'customMirror'extension Clamped: CaseIterable where Value: CaseIterable { // 'CaseIterable' requires the types 'Clamped<Value>' and 'Value' be equivalentextension Clamped: CaseIterable where Value: CaseIterable { // type 'Clamped<Value>' does not conform to protocol 'CaseIterable'enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
var wrappedValue: Value
let logger: (Event, Value) -> Void
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.wrappedValue = wrappedValue
self.logger = logger
}
var projectedValue: Logged<Value> {
get {
logger(.get, wrappedValue)
return self
}
set {
logger(.set, wrappedValue)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
var wrappedValue: Value
let logger: (Event, Value) -> Void
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.wrappedValue = wrappedValue
self.logger = logger
}
var projectedValue: Logged<Value> {
get {
logger(.get, wrappedValue)
return self
}
set {
logger(.set, wrappedValue)
}
}
}
``` // XCTAssertEqual failed: ([]) is not equal to (["Accessing value: 0"])enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
logger(.get, value)
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
logger(.get, value)
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}
``` // XCTAssertEqual failed: (["Accessing value: 0", "Accessing value: 0"]) is not equal to (["Accessing value: 0"])enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
var wrappedValue: Value
var logger: (Event, Value) -> Void
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.wrappedValue = wrappedValue
self.logger = logger
}
var projectedValue: Logged<Value> {
get {
logger(.get, wrappedValue)
return self
}
set {
logger(.set, wrappedValue)
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
var wrappedValue: Value
var logger: (Event, Value) -> Void
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.wrappedValue = wrappedValue
self.logger = logger
}
var projectedValue: Logged<Value> {
get {
logger(.get, wrappedValue)
return self
}
set {
logger(.set, wrappedValue)
}
}
}
``` // XCTAssertEqual failed: ([]) is not equal to (["Accessing value: 0"])enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.logger = logger
self.value = wrappedValue
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.logger = logger
self.value = wrappedValue
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.logger = logger
self.value = wrappedValue
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.logger = logger
self.value = wrappedValue
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}
```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
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
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
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}
```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
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
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
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}
```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
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
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
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.logger = logger
self.value = wrappedValue
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.logger = logger
self.value = wrappedValue
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}
```enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
logger(.get, value)
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
@propertyWrapper
struct Logged<Value>: LoggedProtocol {
private let logger: (Event, Value) -> Void
private var value: Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.value = wrappedValue
self.logger = logger
logger(.get, value)
}
var wrappedValue: Value {
get {
logger(.get, value)
return value
}
set {
logger(.set, newValue)
value = newValue
}
}
}
``` // XCTAssertEqual failed: (["Accessing value: 0", "Accessing value: 0"]) is not equal to (["Accessing value: 0"])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 searchQuery = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 searchQuery = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}
```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 searchQuery: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 searchQuery: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}
```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 searchQuery = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 searchQuery = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}
```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 searchQuery: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 searchQuery: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}
```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 city: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
city.append(character)
case .keyboardDeleteBackwards:
city.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: city)
return .success(city: city, forecast: forecast)
} catch {
return .failure(city: city)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 city: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
city.append(character)
case .keyboardDeleteBackwards:
city.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: city)
return .success(city: city, forecast: forecast)
} catch {
return .failure(city: city)
}
}
return nil
}
}
```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 city = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
city.append(character)
case .keyboardDeleteBackwards:
city.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: city)
return .success(city: city, forecast: forecast)
} catch {
return .failure(city: city)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 city = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
city.append(character)
case .keyboardDeleteBackwards:
city.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: city)
return .success(city: city, forecast: forecast)
} catch {
return .failure(city: city)
}
}
return nil
}
}
```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 searchQuery = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 searchQuery = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}
```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 searchQuery: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
let city = searchQuery
searchQuery = ""
do {
let forecast = try provider.forecast(for: city)
return .success(city: city, forecast: forecast)
} catch {
return .failure(city: city)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 searchQuery: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
let city = searchQuery
searchQuery = ""
do {
let forecast = try provider.forecast(for: city)
return .success(city: city, forecast: forecast)
} catch {
return .failure(city: city)
}
}
return nil
}
}
``` // Fatal error: Can't remove last element from an empty collectionprotocol 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 searchQuery: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 searchQuery: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}
```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 searchQuery = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
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 searchQuery = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchQuery.append(character)
case .keyboardDeleteBackwards:
searchQuery.removeLast()
case .searchButtonPress:
do {
let forecast = try provider.forecast(for: searchQuery)
return .success(city: searchQuery, forecast: forecast)
} catch {
return .failure(city: searchQuery)
}
}
return nil
}
}
```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
}
func deposit(amount: Double) async {
self.balance += amount
}
func withdraw(amount: Double) async -> Bool {
if self.balance >= amount {
self.balance -= amount
return true
}
return false
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
}
func deposit(amount: Double) async {
self.balance += amount
}
func withdraw(amount: Double) async -> Bool {
if self.balance >= amount {
self.balance -= amount
return true
}
return false
}
}
```private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'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
}
func deposit(amount: Double) async {
self.balance += amount
}
func withdraw(amount: Double) async -> Bool {
if amount > balance {
return false
}
self.balance -= amount
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
}
func deposit(amount: Double) async {
self.balance += amount
}
func withdraw(amount: Double) async -> Bool {
if amount > balance {
return false
}
self.balance -= amount
return true
}
}
```private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else {
return false
}
balance -= amount
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else {
return false
}
balance -= amount
return true
}
}
```private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else {
return false
}
balance -= amount
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else {
return false
}
balance -= amount
return true
}
}
```private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else { return false }
balance -= amount
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else { return false }
balance -= amount
return true
}
}
```private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else {
return false
}
balance -= amount
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else {
return false
}
balance -= amount
return true
}
}
```private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else { return false }
balance -= amount
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
}
func deposit(amount: Double) async {
balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard balance >= amount else { return false }
balance -= amount
return true
}
}
```private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'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
private let lock = NSLock()
required init(balance: Double) {
_balance = balance
}
var balance: Double {
get async {
await lock.lock()
defer { lock.unlock() }
return _balance
}
}
func deposit(amount: Double) async {
await lock.lock()
defer { lock.unlock() }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
await lock.lock()
defer { lock.unlock() }
guard _balance >= amount else { return false }
_balance -= amount
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
private let lock = NSLock()
required init(balance: Double) {
_balance = balance
}
var balance: Double {
get async {
await lock.lock()
defer { lock.unlock() }
return _balance
}
}
func deposit(amount: Double) async {
await lock.lock()
defer { lock.unlock() }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
await lock.lock()
defer { lock.unlock() }
guard _balance >= amount else { return false }
_balance -= amount
return true
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'await lock.lock() // no 'async' operations occur within 'await' expressionawait lock.lock() // instance method 'lock' is unavailable from asynchronous contexts; Use async-safe scoped locking instead; this is an error in Swift 6await lock.lock() // no 'async' operations occur within 'await' expressionawait lock.lock() // instance method 'lock' is unavailable from asynchronous contexts; Use async-safe scoped locking instead; this is an error in Swift 6await lock.lock() // no 'async' operations occur within 'await' expressionawait lock.lock() // instance method 'lock' is unavailable from asynchronous contexts; Use async-safe scoped locking instead; this is an error in Swift 6protocol 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
private let lock = NSLock()
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
await lock.lock()
defer { lock.unlock() }
return _balance
}
}
func deposit(amount: Double) async {
await lock.lock()
defer { lock.unlock() }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
await lock.lock()
defer { lock.unlock() }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
private let lock = NSLock()
required init(balance: Double) {
self._balance = balance
}
var balance: Double {
get async {
await lock.lock()
defer { lock.unlock() }
return _balance
}
}
func deposit(amount: Double) async {
await lock.lock()
defer { lock.unlock() }
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
await lock.lock()
defer { lock.unlock() }
if _balance >= amount {
_balance -= amount
return true
} else {
return false
}
}
}
```required init(balance: Double) { // 'required' initializer in non-class type 'BankAccount'await lock.lock() // no 'async' operations occur within 'await' expressionawait lock.lock() // instance method 'lock' is unavailable from asynchronous contexts; Use async-safe scoped locking instead; this is an error in Swift 6await lock.lock() // no 'async' operations occur within 'await' expressionawait lock.lock() // instance method 'lock' is unavailable from asynchronous contexts; Use async-safe scoped locking instead; this is an error in Swift 6await lock.lock() // no 'async' operations occur within 'await' expressionawait lock.lock() // instance method 'lock' is unavailable from asynchronous contexts; Use async-safe scoped locking instead; this is an error in Swift 6protocol 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
init(balance: Double) {
_balance = balance
}
var balance: Double {
get async {
return await _balance
}
}
func deposit(amount: Double) async {
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard _balance >= amount else {
return false
}
_balance -= amount
return true
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Thread-safe bank account class using an actor that allows asynchronous deposits and withdrawals, ensuring that the account balance remains consistent and transactions are atomic.
### Response:
```swift
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
init(balance: Double) {
_balance = balance
}
var balance: Double {
get async {
return await _balance
}
}
func deposit(amount: Double) async {
_balance += amount
}
func withdraw(amount: Double) async -> Bool {
guard _balance >= amount else {
return false
}
_balance -= amount
return true
}
}
```return await _balance // no 'async' operations occur within 'await' expressionprotocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private var condition: () -> Bool
private var wrappedValue: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.wrappedValue = wrappedValue
self.condition = condition
}
var value: Value {
mutating get {
if cachedValue == nil || condition() {
cachedValue = wrappedValue()
}
return cachedValue!
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private var condition: () -> Bool
private var wrappedValue: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.wrappedValue = wrappedValue
self.condition = condition
}
var value: Value {
mutating get {
if cachedValue == nil || condition() {
cachedValue = wrappedValue()
}
return cachedValue!
}
}
}
```private var wrappedValue: () -> Value // private property 'wrappedValue' cannot have more restrictive access than its enclosing property wrapper type 'Cached' (which is internal)protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
} else {
let newValue = compute()
cachedValue = newValue
return newValue
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
} else {
let newValue = compute()
cachedValue = newValue
return newValue
}
}
}
}
``` // XCTAssertEqual failed: (2) is not equal to (1)protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private var condition: () -> Bool
private var wrappedValue: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.wrappedValue = wrappedValue
self.condition = condition
}
var value: Value {
if let cachedValue = cachedValue, condition() {
return cachedValue
} else {
let value = wrappedValue()
cachedValue = value
return value
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private var condition: () -> Bool
private var wrappedValue: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.wrappedValue = wrappedValue
self.condition = condition
}
var value: Value {
if let cachedValue = cachedValue, condition() {
return cachedValue
} else {
let value = wrappedValue()
cachedValue = value
return value
}
}
}
```private var wrappedValue: () -> Value // private property 'wrappedValue' cannot have more restrictive access than its enclosing property wrapper type 'Cached' (which is internal)cachedValue = value // cannot assign to property: 'self' is immutableprotocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
} else {
let value = compute()
cachedValue = value
return value
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
} else {
let value = compute()
cachedValue = value
return value
}
}
}
}
``` // XCTAssertEqual failed: (2) is not equal to (1)protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let computeValue: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.computeValue = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
}
let newValue = computeValue()
cachedValue = newValue
return newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let computeValue: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.computeValue = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
}
let newValue = computeValue()
cachedValue = newValue
return newValue
}
}
}
``` // XCTAssertEqual failed: (2) is not equal to (1)protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
} else {
let newValue = compute()
cachedValue = newValue
return newValue
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
} else {
let newValue = compute()
cachedValue = newValue
return newValue
}
}
}
}
``` // XCTAssertEqual failed: (2) is not equal to (1)protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let computeValue: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.computeValue = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
}
let newValue = computeValue()
cachedValue = newValue
return newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let computeValue: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.computeValue = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
}
let newValue = computeValue()
cachedValue = newValue
return newValue
}
}
}
``` // XCTAssertEqual failed: (2) is not equal to (1)protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
}
let value = compute()
cachedValue = value
return value
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
}
let value = compute()
cachedValue = value
return value
}
}
}
``` // XCTAssertEqual failed: (2) is not equal to (1)protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var value: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if value == nil || condition() {
value = compute()
}
return value!
}
}
}
```protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
}
let newValue = compute()
cachedValue = newValue
return newValue
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that caches the computed value of a property and recomputes it only when a specified condition changes.
### Response:
```swift
protocol CachedProperty {
associatedtype Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool)
}
@propertyWrapper
struct Cached<Value>: CachedProperty {
private var cachedValue: Value?
private let condition: () -> Bool
private let compute: () -> Value
init(wrappedValue: @autoclosure @escaping () -> Value, condition: @escaping () -> Bool) {
self.compute = wrappedValue
self.condition = condition
}
var wrappedValue: Value {
mutating get {
if let cachedValue = cachedValue, condition() {
return cachedValue
}
let newValue = compute()
cachedValue = newValue
return newValue
}
}
}
``` // XCTAssertEqual failed: (2) is not equal to (1)infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(
_ f: @escaping (A) -> B,
_ g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(
_ f: @escaping (A) -> B,
_ g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
lowerThan: BackwardApplication
}
func >>> <A, B, C>(
lhs: @escaping (A) -> B,
rhs: @escaping (B) -> C
) -> (A) -> C {
return { a in
rhs(lhs(a))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
lowerThan: BackwardApplication
}
func >>> <A, B, C>(
lhs: @escaping (A) -> B,
rhs: @escaping (B) -> C
) -> (A) -> C {
return { a in
rhs(lhs(a))
}
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'lowerThan: BackwardApplication // unknown precedence group 'BackwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
lowerThan: BackwardApplication
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { rhs(lhs($0)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
lowerThan: BackwardApplication
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { rhs(lhs($0)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'lowerThan: BackwardApplication // unknown precedence group 'BackwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { rhs(lhs($0)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { rhs(lhs($0)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
lowerThan: BackwardApplication
}
func >>> <A, B, C>(
f: @escaping (A) -> B,
g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
lowerThan: BackwardApplication
}
func >>> <A, B, C>(
f: @escaping (A) -> B,
g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'lowerThan: BackwardApplication // unknown precedence group 'BackwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(
_ f: @escaping (A) -> B,
_ g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(
_ f: @escaping (A) -> B,
_ g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { rhs(lhs($0)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { rhs(lhs($0)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { a in rhs(lhs(a)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(lhs: @escaping (A) -> B, rhs: @escaping (B) -> C) -> (A) -> C {
return { a in rhs(lhs(a)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(
f: @escaping (A) -> B,
g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
}
func >>> <A, B, C>(
f: @escaping (A) -> B,
g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
lowerThan: BackwardApplication
}
func >>> <A, B, C>(
_ f: @escaping (A) -> B,
_ g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom infix operator >>> that composes two functions. The operator should take two functions and return a new function that represents the composition of the two functions (i.e., the output of the first function becomes the input of the second function).
### Response:
```swift
infix operator >>>: FunctionCompositionPrecedence
precedencegroup FunctionCompositionPrecedence {
associativity: left
higherThan: ForwardApplication
lowerThan: BackwardApplication
}
func >>> <A, B, C>(
_ f: @escaping (A) -> B,
_ g: @escaping (B) -> C
) -> (A) -> C {
return { g(f($0)) }
}
```higherThan: ForwardApplication // unknown precedence group 'ForwardApplication'lowerThan: BackwardApplication // unknown precedence group 'BackwardApplication'import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let read = inputStream.read(&buffer, maxLength: bufferSize)
if read > 0 {
digest.update(data: Data(buffer[0..<read]))
}
}
return digest.finalize()
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let read = inputStream.read(&buffer, maxLength: bufferSize)
if read > 0 {
digest.update(data: Data(buffer[0..<read]))
}
}
return digest.finalize()
}
```digest.update(data: Data(buffer[0..<read])) // cannot use mutating member on immutable value: 'digest' is a 'let' constantimport CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle stream error
}
digest.update(data: Data(buffer[0..<bytesRead]))
}
return SHA256Digest(data: digest.finalize())
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle stream error
}
digest.update(data: Data(buffer[0..<bytesRead]))
}
return SHA256Digest(data: digest.finalize())
}
```digest.update(data: Data(buffer[0..<bytesRead])) // cannot use mutating member on immutable value: 'digest' is a 'let' constantreturn SHA256Digest(data: digest.finalize()) // 'SHA256Digest' cannot be constructed because it has no accessible initializersimport CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Error
return SHA256Digest()
}
if bytesRead > 0 {
digest.update(data: Data(buffer[0..<bytesRead]))
}
}
return SHA256Digest(data: digest.finalize())
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Error
return SHA256Digest()
}
if bytesRead > 0 {
digest.update(data: Data(buffer[0..<bytesRead]))
}
}
return SHA256Digest(data: digest.finalize())
}
```return SHA256Digest() // 'SHA256Digest' cannot be constructed because it has no accessible initializersdigest.update(data: Data(buffer[0..<bytesRead])) // cannot use mutating member on immutable value: 'digest' is a 'let' constantreturn SHA256Digest(data: digest.finalize()) // 'SHA256Digest' cannot be constructed because it has no accessible initializersimport CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle stream error
} else if bytesRead > 0 {
let data = Data(bytes: buffer, count: bytesRead)
digest.update(data: data)
}
}
return digest.finalize()
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle stream error
} else if bytesRead > 0 {
let data = Data(bytes: buffer, count: bytesRead)
digest.update(data: data)
}
}
return digest.finalize()
}
```digest.update(data: data) // cannot use mutating member on immutable value: 'digest' is a 'let' constantimport CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle stream error
}
digest.update(data: Data(buffer[0..<bytesRead]))
}
return digest.finalize()
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle stream error
}
digest.update(data: Data(buffer[0..<bytesRead]))
}
return digest.finalize()
}
```digest.update(data: Data(buffer[0..<bytesRead])) // cannot use mutating member on immutable value: 'digest' is a 'let' constantimport CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var buffer = [UInt8](repeating: 0, count: bufferSize)
var hasher = SHA256()
inputStream.open()
while inputStream.hasBytesAvailable {
let read = inputStream.read(&buffer, maxLength: bufferSize)
if read < 0 {
fatalError("Error reading from input stream")
}
hasher.update(data: Data(buffer[0..<read]))
}
inputStream.close()
return hasher.finalize()
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
var buffer = [UInt8](repeating: 0, count: bufferSize)
var hasher = SHA256()
inputStream.open()
while inputStream.hasBytesAvailable {
let read = inputStream.read(&buffer, maxLength: bufferSize)
if read < 0 {
fatalError("Error reading from input stream")
}
hasher.update(data: Data(buffer[0..<read]))
}
inputStream.close()
return hasher.finalize()
}
```import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let readBytes = inputStream.read(&buffer, maxLength: bufferSize)
if readBytes < 0 {
fatalError("Error reading from input stream")
}
if readBytes > 0 {
digest.update(data: Data(buffer[0..<readBytes]))
}
}
return digest.finalize()
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let readBytes = inputStream.read(&buffer, maxLength: bufferSize)
if readBytes < 0 {
fatalError("Error reading from input stream")
}
if readBytes > 0 {
digest.update(data: Data(buffer[0..<readBytes]))
}
}
return digest.finalize()
}
```digest.update(data: Data(buffer[0..<readBytes])) // cannot use mutating member on immutable value: 'digest' is a 'let' constantimport CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle stream error
}
digest.update(data: Data(buffer[0..<bytesRead]))
}
return digest.finalize()
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Handle stream error
}
digest.update(data: Data(buffer[0..<bytesRead]))
}
return digest.finalize()
}
```digest.update(data: Data(buffer[0..<bytesRead])) // cannot use mutating member on immutable value: 'digest' is a 'let' constantimport CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Error
return SHA256Digest()
}
if bytesRead > 0 {
digest.update(data: Data(buffer[0..<bytesRead]))
}
}
return digest.finalize()
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let digest = SHA256()
var buffer = [UInt8](repeating: 0, count: bufferSize)
while inputStream.hasBytesAvailable {
let bytesRead = inputStream.read(&buffer, maxLength: bufferSize)
if bytesRead < 0 {
// Error
return SHA256Digest()
}
if bytesRead > 0 {
digest.update(data: Data(buffer[0..<bytesRead]))
}
}
return digest.finalize()
}
```return SHA256Digest() // 'SHA256Digest' cannot be constructed because it has no accessible initializersdigest.update(data: Data(buffer[0..<bytesRead])) // cannot use mutating member on immutable value: 'digest' is a 'let' constantimport CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let buffer = UnsafeMutablePointer<UInt8>.allocate(capacity: bufferSize)
defer { buffer.deallocate() }
var hasher = SHA256()
while inputStream.hasBytesAvailable {
let read = inputStream.read(buffer, maxLength: bufferSize)
if read < 0 {
// Handle stream error
}
hasher.update(data: Data(bytes: buffer, count: read))
}
return hasher.finalize()
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that computes the SHA-256 hash of data read from a stream with a specified buffer size using Apple's CryptoKit framework.
### Response:
```swift
import CryptoKit
func computeSHA256Hash(of inputStream: InputStream, bufferSize: Int) -> SHA256Digest {
let buffer = UnsafeMutablePointer<UInt8>.allocate(capacity: bufferSize)
defer { buffer.deallocate() }
var hasher = SHA256()
while inputStream.hasBytesAvailable {
let read = inputStream.read(buffer, maxLength: bufferSize)
if read < 0 {
// Handle stream error
}
hasher.update(data: Data(bytes: buffer, count: read))
}
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 array = [Int8]()
for i in 0..<16 {
if tuple16[i] == 0 {
break
}
array.append(tuple16[i])
}
self.init(cString: array)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var array = [Int8]()
for i in 0..<16 {
if tuple16[i] == 0 {
break
}
array.append(tuple16[i])
}
self.init(cString: array)
}
}
```if tuple16[i] == 0 { // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadarray.append(tuple16[i]) // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadtypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var array = [Int8]()
for i in 0..<16 {
array.append(tuple16[i])
}
self.init(cString: array)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var array = [Int8]()
for i in 0..<16 {
array.append(tuple16[i])
}
self.init(cString: array)
}
}
```array.append(tuple16[i]) // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadtypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var buffer = [Int8](repeating: 0, count: 16)
for i in 0..<16 {
buffer[i] = tuple16[i]
}
self.init(cString: buffer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var buffer = [Int8](repeating: 0, count: 16)
for i in 0..<16 {
buffer[i] = tuple16[i]
}
self.init(cString: buffer)
}
}
```buffer[i] = tuple16[i] // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadtypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var tuple = tuple16
let buffer = UnsafeBufferPointer(start: &tuple, count: MemoryLayout<Tuple16>.size)
let data = Data(buffer: buffer)
self.init(data: data, encoding: .utf8)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var tuple = tuple16
let buffer = UnsafeBufferPointer(start: &tuple, count: MemoryLayout<Tuple16>.size)
let data = Data(buffer: buffer)
self.init(data: data, encoding: .utf8)
}
}
```let buffer = UnsafeBufferPointer(start: &tuple, count: MemoryLayout<Tuple16>.size) // initialization of 'UnsafeBufferPointer<Tuple16>' (aka 'UnsafeBufferPointer<(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)>') results in a dangling buffer pointerself.init(data: data, encoding: .utf8) // a non-failable initializer cannot delegate to failable initializer 'init(data:encoding:)' written with 'init?'typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
let data = Data(bytes: tuple16)
self.init(data: data, encoding: .utf8)!
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
let data = Data(bytes: tuple16)
self.init(data: data, encoding: .utf8)!
}
}
```let data = Data(bytes: tuple16) // type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)') cannot conform to 'Sequence'typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var str = ""
for i in 0..<16 {
if tuple16[i] == 0 {
break
}
str.append(Character(UnicodeScalar(UInt8(tuple16[i]))))
}
self = str
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var str = ""
for i in 0..<16 {
if tuple16[i] == 0 {
break
}
str.append(Character(UnicodeScalar(UInt8(tuple16[i]))))
}
self = str
}
}
```if tuple16[i] == 0 { // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadstr.append(Character(UnicodeScalar(UInt8(tuple16[i])))) // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadtypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var buffer = [Int8]()
for i in 0..<16 {
buffer.append(tuple16[i])
}
self.init(cString: buffer)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var buffer = [Int8]()
for i in 0..<16 {
buffer.append(tuple16[i])
}
self.init(cString: buffer)
}
}
```buffer.append(tuple16[i]) // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadtypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var tuple = tuple16
let buffer = UnsafeBufferPointer(start: &tuple, count: MemoryLayout<Tuple16>.size)
let nullTerminatedBuffer = buffer.prefix { $0 != 0 }
self.init(decodingCString: nullTerminatedBuffer.baseAddress!, as: UTF8.self)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var tuple = tuple16
let buffer = UnsafeBufferPointer(start: &tuple, count: MemoryLayout<Tuple16>.size)
let nullTerminatedBuffer = buffer.prefix { $0 != 0 }
self.init(decodingCString: nullTerminatedBuffer.baseAddress!, as: UTF8.self)
}
}
```let buffer = UnsafeBufferPointer(start: &tuple, count: MemoryLayout<Tuple16>.size) // initialization of 'UnsafeBufferPointer<Tuple16>' (aka 'UnsafeBufferPointer<(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)>') results in a dangling buffer pointerlet nullTerminatedBuffer = buffer.prefix { $0 != 0 } // binary operator '!=' cannot be applied to operands of type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)') and 'Int'typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var array = [Int8]()
for i in 0..<16 {
if tuple16[i] == 0 {
break
}
array.append(tuple16[i])
}
self.init(cString: array)
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var array = [Int8]()
for i in 0..<16 {
if tuple16[i] == 0 {
break
}
array.append(tuple16[i])
}
self.init(cString: array)
}
}
```if tuple16[i] == 0 { // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadarray.append(tuple16[i]) // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadtypealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var str = ""
for i in 0..<16 {
if tuple16[i] == 0 {
break
}
str.append(Character(UnicodeScalar(UInt8(tuple16[i]))))
}
self = str
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Extension to the String type that allows initializing a String from a tuple of 16 Int8 values, where the tuple represents a C-style null-terminated string.
### Response:
```swift
typealias Tuple16 = (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)
extension String {
init(tuple16: Tuple16) {
var str = ""
for i in 0..<16 {
if tuple16[i] == 0 {
break
}
str.append(Character(UnicodeScalar(UInt8(tuple16[i]))))
}
self = str
}
}
```if tuple16[i] == 0 { // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadstr.append(Character(UnicodeScalar(UInt8(tuple16[i])))) // cannot access element using subscript for tuple type 'Tuple16' (aka '(Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8)'); use '.' notation insteadimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsSize = CVPixelBufferGetDataSize(lhs)
let rhsSize = CVPixelBufferGetDataSize(rhs)
if lhsSize != rhsSize {
return false
}
let lhsFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsFormat = CVPixelBufferGetPixelFormatType(rhs)
if lhsFormat != rhsFormat {
return false
}
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
if lhsBaseAddress == nil && rhsBaseAddress == nil {
return true
}
if lhsBaseAddress == nil || rhsBaseAddress == nil {
return false
}
let lhsBytes = UnsafeBufferPointer(start: lhsBaseAddress, count: lhsSize)
let rhsBytes = UnsafeBufferPointer(start: rhsBaseAddress, count: rhsSize)
return lhsBytes == rhsBytes
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsSize = CVPixelBufferGetDataSize(lhs)
let rhsSize = CVPixelBufferGetDataSize(rhs)
if lhsSize != rhsSize {
return false
}
let lhsFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsFormat = CVPixelBufferGetPixelFormatType(rhs)
if lhsFormat != rhsFormat {
return false
}
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
if lhsBaseAddress == nil && rhsBaseAddress == nil {
return true
}
if lhsBaseAddress == nil || rhsBaseAddress == nil {
return false
}
let lhsBytes = UnsafeBufferPointer(start: lhsBaseAddress, count: lhsSize)
let rhsBytes = UnsafeBufferPointer(start: rhsBaseAddress, count: rhsSize)
return lhsBytes == rhsBytes
}
```let lhsBytes = UnsafeBufferPointer(start: lhsBaseAddress, count: lhsSize) // generic parameter 'Element' could not be inferredlet lhsBytes = UnsafeBufferPointer(start: lhsBaseAddress, count: lhsSize) // cannot convert value of type 'UnsafeMutableRawPointer' to expected argument type 'UnsafePointer<Element>'let rhsBytes = UnsafeBufferPointer(start: rhsBaseAddress, count: rhsSize) // cannot convert value of type 'UnsafeMutableRawPointer' to expected argument type 'UnsafePointer<Element>'let rhsBytes = UnsafeBufferPointer(start: rhsBaseAddress, count: rhsSize) // generic parameter 'Element' could not be inferredimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
return lhsWidth == rhsWidth && lhsHeight == rhsHeight && lhsPixelFormat == rhsPixelFormat && memcmp(lhsBaseAddress, rhsBaseAddress, lhsSize) == 0
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
return lhsWidth == rhsWidth && lhsHeight == rhsHeight && lhsPixelFormat == rhsPixelFormat && memcmp(lhsBaseAddress, rhsBaseAddress, lhsSize) == 0
}
```let rhsSize = rhsHeight * rhsBytesPerRow // initialization of immutable value 'rhsSize' was never used; consider replacing with assignment to '_' or removing itimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = CVPixelBufferGetDataSize(lhs)
let rhsSize = CVPixelBufferGetDataSize(rhs)
return lhsWidth == rhsWidth &&
lhsHeight == rhsHeight &&
lhsPixelFormat == rhsPixelFormat &&
lhsBaseAddress == rhsBaseAddress &&
lhsBytesPerRow == rhsBytesPerRow &&
lhsSize == rhsSize
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = CVPixelBufferGetDataSize(lhs)
let rhsSize = CVPixelBufferGetDataSize(rhs)
return lhsWidth == rhsWidth &&
lhsHeight == rhsHeight &&
lhsPixelFormat == rhsPixelFormat &&
lhsBaseAddress == rhsBaseAddress &&
lhsBytesPerRow == rhsBytesPerRow &&
lhsSize == rhsSize
}
``` // XCTAssertFalse failedimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsFormat = CVPixelBufferGetPixelFormatType(rhs)
if lhsWidth != rhsWidth || lhsHeight != rhsHeight || lhsFormat != rhsFormat {
return false
}
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
let lhsAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
return memcmp(lhsAddress, rhsAddress, lhsSize) == 0 && lhsSize == rhsSize
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsFormat = CVPixelBufferGetPixelFormatType(rhs)
if lhsWidth != rhsWidth || lhsHeight != rhsHeight || lhsFormat != rhsFormat {
return false
}
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
let lhsAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
return memcmp(lhsAddress, rhsAddress, lhsSize) == 0 && lhsSize == rhsSize
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsFormat = CVPixelBufferGetPixelFormatType(rhs)
if lhsWidth != rhsWidth || lhsHeight != rhsHeight || lhsFormat != rhsFormat {
return false
}
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
let lhsAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
if lhsSize != rhsSize {
return false
}
return memcmp(lhsAddress, rhsAddress, lhsSize) == 0
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsFormat = CVPixelBufferGetPixelFormatType(rhs)
if lhsWidth != rhsWidth || lhsHeight != rhsHeight || lhsFormat != rhsFormat {
return false
}
CVPixelBufferLockBaseAddress(lhs, .readOnly)
CVPixelBufferLockBaseAddress(rhs, .readOnly)
defer {
CVPixelBufferUnlockBaseAddress(lhs, .readOnly)
CVPixelBufferUnlockBaseAddress(rhs, .readOnly)
}
let lhsAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
if lhsSize != rhsSize {
return false
}
return memcmp(lhsAddress, rhsAddress, lhsSize) == 0
}
```import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsData = UnsafeBufferPointer(start: lhsBaseAddress, count: lhsHeight * lhsBytesPerRow)
let rhsData = UnsafeBufferPointer(start: rhsBaseAddress, count: rhsHeight * rhsBytesPerRow)
return lhsWidth == rhsWidth && lhsHeight == rhsHeight && lhsPixelFormat == rhsPixelFormat && lhsData == rhsData
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsData = UnsafeBufferPointer(start: lhsBaseAddress, count: lhsHeight * lhsBytesPerRow)
let rhsData = UnsafeBufferPointer(start: rhsBaseAddress, count: rhsHeight * rhsBytesPerRow)
return lhsWidth == rhsWidth && lhsHeight == rhsHeight && lhsPixelFormat == rhsPixelFormat && lhsData == rhsData
}
```let lhsData = UnsafeBufferPointer(start: lhsBaseAddress, count: lhsHeight * lhsBytesPerRow) // cannot convert value of type 'UnsafeMutableRawPointer' to expected argument type 'UnsafePointer<Element>'let lhsData = UnsafeBufferPointer(start: lhsBaseAddress, count: lhsHeight * lhsBytesPerRow) // generic parameter 'Element' could not be inferredlet rhsData = UnsafeBufferPointer(start: rhsBaseAddress, count: rhsHeight * rhsBytesPerRow) // generic parameter 'Element' could not be inferredlet rhsData = UnsafeBufferPointer(start: rhsBaseAddress, count: rhsHeight * rhsBytesPerRow) // cannot convert value of type 'UnsafeMutableRawPointer' to expected argument type 'UnsafePointer<Element>'import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = CVPixelBufferGetDataSize(lhs)
let rhsSize = CVPixelBufferGetDataSize(rhs)
return lhsWidth == rhsWidth &&
lhsHeight == rhsHeight &&
lhsPixelFormat == rhsPixelFormat &&
lhsBaseAddress == rhsBaseAddress &&
lhsBytesPerRow == rhsBytesPerRow &&
lhsSize == rhsSize
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = CVPixelBufferGetDataSize(lhs)
let rhsSize = CVPixelBufferGetDataSize(rhs)
return lhsWidth == rhsWidth &&
lhsHeight == rhsHeight &&
lhsPixelFormat == rhsPixelFormat &&
lhsBaseAddress == rhsBaseAddress &&
lhsBytesPerRow == rhsBytesPerRow &&
lhsSize == rhsSize
}
``` // XCTAssertFalse failedimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
return lhsWidth == rhsWidth && lhsHeight == rhsHeight && lhsFormat == rhsFormat && memcmp(lhsBaseAddress, rhsBaseAddress, lhsSize) == 0
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
return lhsWidth == rhsWidth && lhsHeight == rhsHeight && lhsFormat == rhsFormat && memcmp(lhsBaseAddress, rhsBaseAddress, lhsSize) == 0
}
```let rhsSize = rhsHeight * rhsBytesPerRow // initialization of immutable value 'rhsSize' was never used; consider replacing with assignment to '_' or removing itimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
return lhsWidth == rhsWidth &&
lhsHeight == rhsHeight &&
lhsPixelFormat == rhsPixelFormat &&
memcmp(lhsBaseAddress, rhsBaseAddress, lhsSize) == 0 &&
lhsBytesPerRow == rhsBytesPerRow
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = lhsHeight * lhsBytesPerRow
let rhsSize = rhsHeight * rhsBytesPerRow
return lhsWidth == rhsWidth &&
lhsHeight == rhsHeight &&
lhsPixelFormat == rhsPixelFormat &&
memcmp(lhsBaseAddress, rhsBaseAddress, lhsSize) == 0 &&
lhsBytesPerRow == rhsBytesPerRow
}
```let rhsSize = rhsHeight * rhsBytesPerRow // initialization of immutable value 'rhsSize' was never used; consider replacing with assignment to '_' or removing itimport CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = CVPixelBufferGetDataSize(lhs)
let rhsSize = CVPixelBufferGetDataSize(rhs)
return lhsWidth == rhsWidth && lhsHeight == rhsHeight && lhsPixelFormat == rhsPixelFormat && lhsBaseAddress == rhsBaseAddress && lhsBytesPerRow == rhsBytesPerRow && lhsSize == rhsSize
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Custom operator which provides comparison for two CVPixelBuffer objects and returns true if two pixel buffers equal in size, pixel format, and content.
### Response:
```swift
import CoreVideo
func ==(lhs: CVPixelBuffer, rhs: CVPixelBuffer) -> Bool {
let lhsWidth = CVPixelBufferGetWidth(lhs)
let lhsHeight = CVPixelBufferGetHeight(lhs)
let rhsWidth = CVPixelBufferGetWidth(rhs)
let rhsHeight = CVPixelBufferGetHeight(rhs)
let lhsPixelFormat = CVPixelBufferGetPixelFormatType(lhs)
let rhsPixelFormat = CVPixelBufferGetPixelFormatType(rhs)
let lhsBaseAddress = CVPixelBufferGetBaseAddress(lhs)
let rhsBaseAddress = CVPixelBufferGetBaseAddress(rhs)
let lhsBytesPerRow = CVPixelBufferGetBytesPerRow(lhs)
let rhsBytesPerRow = CVPixelBufferGetBytesPerRow(rhs)
let lhsSize = CVPixelBufferGetDataSize(lhs)
let rhsSize = CVPixelBufferGetDataSize(rhs)
return lhsWidth == rhsWidth && lhsHeight == rhsHeight && lhsPixelFormat == rhsPixelFormat && lhsBaseAddress == rhsBaseAddress && lhsBytesPerRow == rhsBytesPerRow && lhsSize == rhsSize
}
``` // XCTAssertFalse failedstruct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress, count: count) // value of optional type 'UnsafePointer<PrivateItem>?' must be unwrapped to a value of type 'UnsafePointer<PrivateItem>'pointer.initialize(from: buffer.baseAddress, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to convert an array of structs with private integer fields into an array of public structs with identical integer fields by directly reinterpreting memory, assuming the structs have the same memory layout and alignment.
### Response:
```swift
struct PrivateItem {
private let value: Int
init(value: Int) {
self.value = value
}
}
struct PublicItem {
let value: Int
}
func reveal(items: [PrivateItem]) -> [PublicItem] {
return items.withUnsafeBufferPointer { buffer in
let count = buffer.count
let pointer = UnsafeMutablePointer<PublicItem>.allocate(capacity: count)
pointer.initialize(from: buffer.baseAddress!, count: count)
return Array(UnsafeBufferPointer(start: pointer, count: count))
}
}
```pointer.initialize(from: buffer.baseAddress!, count: count) // cannot convert value of type 'UnsafePointer<PrivateItem>' to expected argument type 'UnsafePointer<PublicItem>'enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhs = lhs.split(separator: ".")
let rhs = rhs.split(separator: ".")
for (lhs, rhs) in zip(lhs, rhs) {
if lhs == rhs {
continue
}
let lhs = lhs.split(separator: "-")
let rhs = rhs.split(separator: "-")
let lhsNumbers = lhs.first!
let rhsNumbers = rhs.first!
let lhsNumbers = lhsNumbers.split(separator: ".").compactMap { Int($0) }
let rhsNumbers = rhsNumbers.split(separator: ".").compactMap { Int($0) }
for (lhs, rhs) in zip(lhsNumbers, rhsNumbers) {
if lhs == rhs {
continue
}
return lhs < rhs ? .orderedAscending : .orderedDescending
}
let lhsTag = lhs.last
let rhsTag = rhs.last
if lhsTag == nil && rhsTag == nil {
continue
}
if lhsTag == nil {
return .orderedAscending
}
if rhsTag == nil {
return .orderedDescending
}
let lhsTag = lhsTag!
let rhsTag = rhsTag!
if lhsTag == rhsTag {
continue
}
return lhsTag < rhsTag ? .orderedAscending : .orderedDescending
}
return lhs.count < rhs.count ? .orderedAscending : (lhs.count == rhs.count ? .orderedSame : .orderedDescending)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhs = lhs.split(separator: ".")
let rhs = rhs.split(separator: ".")
for (lhs, rhs) in zip(lhs, rhs) {
if lhs == rhs {
continue
}
let lhs = lhs.split(separator: "-")
let rhs = rhs.split(separator: "-")
let lhsNumbers = lhs.first!
let rhsNumbers = rhs.first!
let lhsNumbers = lhsNumbers.split(separator: ".").compactMap { Int($0) }
let rhsNumbers = rhsNumbers.split(separator: ".").compactMap { Int($0) }
for (lhs, rhs) in zip(lhsNumbers, rhsNumbers) {
if lhs == rhs {
continue
}
return lhs < rhs ? .orderedAscending : .orderedDescending
}
let lhsTag = lhs.last
let rhsTag = rhs.last
if lhsTag == nil && rhsTag == nil {
continue
}
if lhsTag == nil {
return .orderedAscending
}
if rhsTag == nil {
return .orderedDescending
}
let lhsTag = lhsTag!
let rhsTag = rhsTag!
if lhsTag == rhsTag {
continue
}
return lhsTag < rhsTag ? .orderedAscending : .orderedDescending
}
return lhs.count < rhs.count ? .orderedAscending : (lhs.count == rhs.count ? .orderedSame : .orderedDescending)
}
```let lhsNumbers = lhsNumbers.split(separator: ".").compactMap { Int($0) } // invalid redeclaration of 'lhsNumbers'let rhsNumbers = rhsNumbers.split(separator: ".").compactMap { Int($0) } // invalid redeclaration of 'rhsNumbers'let lhsTag = lhsTag! // invalid redeclaration of 'lhsTag'let rhsTag = rhsTag! // invalid redeclaration of 'rhsTag'enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = Int(lhsComponents[0]) ?? 0
let rhsMajor = Int(rhsComponents[0]) ?? 0
if lhsMajor != rhsMajor {
return lhsMajor < rhsMajor ? .orderedAscending : .orderedDescending
}
let lhsMinor = Int(lhsComponents[1]) ?? 0
let rhsMinor = Int(rhsComponents[1]) ?? 0
if lhsMinor != rhsMinor {
return lhsMinor < rhsMinor ? .orderedAscending : .orderedDescending
}
let lhsPatch = Int(lhsComponents[2]) ?? 0
let rhsPatch = Int(rhsComponents[2]) ?? 0
if lhsPatch != rhsPatch {
return lhsPatch < rhsPatch ? .orderedAscending : .orderedDescending
}
let lhsPreRelease = lhsComponents.count > 3 ? lhsComponents[3] : ""
let rhsPreRelease = rhsComponents.count > 3 ? rhsComponents[3] : ""
if lhsPreRelease != rhsPreRelease {
if lhsPreRelease == "alpha" && rhsPreRelease == "beta" {
return .orderedAscending
} else if lhsPreRelease == "beta" && rhsPreRelease == "alpha" {
return .orderedDescending
} else {
return lhsPreRelease < rhsPreRelease ? .orderedAscending : .orderedDescending
}
}
return .orderedSame
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = Int(lhsComponents[0]) ?? 0
let rhsMajor = Int(rhsComponents[0]) ?? 0
if lhsMajor != rhsMajor {
return lhsMajor < rhsMajor ? .orderedAscending : .orderedDescending
}
let lhsMinor = Int(lhsComponents[1]) ?? 0
let rhsMinor = Int(rhsComponents[1]) ?? 0
if lhsMinor != rhsMinor {
return lhsMinor < rhsMinor ? .orderedAscending : .orderedDescending
}
let lhsPatch = Int(lhsComponents[2]) ?? 0
let rhsPatch = Int(rhsComponents[2]) ?? 0
if lhsPatch != rhsPatch {
return lhsPatch < rhsPatch ? .orderedAscending : .orderedDescending
}
let lhsPreRelease = lhsComponents.count > 3 ? lhsComponents[3] : ""
let rhsPreRelease = rhsComponents.count > 3 ? rhsComponents[3] : ""
if lhsPreRelease != rhsPreRelease {
if lhsPreRelease == "alpha" && rhsPreRelease == "beta" {
return .orderedAscending
} else if lhsPreRelease == "beta" && rhsPreRelease == "alpha" {
return .orderedDescending
} else {
return lhsPreRelease < rhsPreRelease ? .orderedAscending : .orderedDescending
}
}
return .orderedSame
}
``` // Fatal error: Index out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhs = lhs.split(separator: ".")
let rhs = rhs.split(separator: ".")
for (l, r) in zip(lhs, rhs) {
let l = Int(l) ?? 0
let r = Int(r) ?? 0
if l < r {
return .orderedAscending
} else if l > r {
return .orderedDescending
}
}
if lhs.count < rhs.count {
return .orderedAscending
} else if lhs.count > rhs.count {
return .orderedDescending
}
return .orderedSame
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhs = lhs.split(separator: ".")
let rhs = rhs.split(separator: ".")
for (l, r) in zip(lhs, rhs) {
let l = Int(l) ?? 0
let r = Int(r) ?? 0
if l < r {
return .orderedAscending
} else if l > r {
return .orderedDescending
}
}
if lhs.count < rhs.count {
return .orderedAscending
} else if lhs.count > rhs.count {
return .orderedDescending
}
return .orderedSame
}
``` // XCTAssertTrue failedenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = lhsComponents[0]
let rhsMajor = rhsComponents[0]
let lhsMinor = lhsComponents[1]
let rhsMinor = rhsComponents[1]
let lhsPatch = lhsComponents[2]
let rhsPatch = rhsComponents[2]
if lhsMajor > rhsMajor {
return .orderedDescending
} else if lhsMajor < rhsMajor {
return .orderedAscending
} else {
if lhsMinor > rhsMinor {
return .orderedDescending
} else if lhsMinor < rhsMinor {
return .orderedAscending
} else {
if lhsPatch > rhsPatch {
return .orderedDescending
} else if lhsPatch < rhsPatch {
return .orderedAscending
} else {
return .orderedSame
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = lhsComponents[0]
let rhsMajor = rhsComponents[0]
let lhsMinor = lhsComponents[1]
let rhsMinor = rhsComponents[1]
let lhsPatch = lhsComponents[2]
let rhsPatch = rhsComponents[2]
if lhsMajor > rhsMajor {
return .orderedDescending
} else if lhsMajor < rhsMajor {
return .orderedAscending
} else {
if lhsMinor > rhsMinor {
return .orderedDescending
} else if lhsMinor < rhsMinor {
return .orderedAscending
} else {
if lhsPatch > rhsPatch {
return .orderedDescending
} else if lhsPatch < rhsPatch {
return .orderedAscending
} else {
return .orderedSame
}
}
}
}
``` // Fatal error: Index out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = Int(lhsComponents[0]) ?? 0
let rhsMajor = Int(rhsComponents[0]) ?? 0
if lhsMajor != rhsMajor {
return lhsMajor < rhsMajor ? .orderedAscending : .orderedDescending
}
let lhsMinor = Int(lhsComponents[1]) ?? 0
let rhsMinor = Int(rhsComponents[1]) ?? 0
if lhsMinor != rhsMinor {
return lhsMinor < rhsMinor ? .orderedAscending : .orderedDescending
}
let lhsPatch = Int(lhsComponents[2]) ?? 0
let rhsPatch = Int(rhsComponents[2]) ?? 0
if lhsPatch != rhsPatch {
return lhsPatch < rhsPatch ? .orderedAscending : .orderedDescending
}
let lhsPreRelease = lhsComponents.count > 3 ? lhsComponents[3] : ""
let rhsPreRelease = rhsComponents.count > 3 ? rhsComponents[3] : ""
if lhsPreRelease != rhsPreRelease {
if lhsPreRelease == "alpha" && rhsPreRelease == "beta" {
return .orderedAscending
} else if lhsPreRelease == "beta" && rhsPreRelease == "alpha" {
return .orderedDescending
} else {
return lhsPreRelease < rhsPreRelease ? .orderedAscending : .orderedDescending
}
}
return .orderedSame
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = Int(lhsComponents[0]) ?? 0
let rhsMajor = Int(rhsComponents[0]) ?? 0
if lhsMajor != rhsMajor {
return lhsMajor < rhsMajor ? .orderedAscending : .orderedDescending
}
let lhsMinor = Int(lhsComponents[1]) ?? 0
let rhsMinor = Int(rhsComponents[1]) ?? 0
if lhsMinor != rhsMinor {
return lhsMinor < rhsMinor ? .orderedAscending : .orderedDescending
}
let lhsPatch = Int(lhsComponents[2]) ?? 0
let rhsPatch = Int(rhsComponents[2]) ?? 0
if lhsPatch != rhsPatch {
return lhsPatch < rhsPatch ? .orderedAscending : .orderedDescending
}
let lhsPreRelease = lhsComponents.count > 3 ? lhsComponents[3] : ""
let rhsPreRelease = rhsComponents.count > 3 ? rhsComponents[3] : ""
if lhsPreRelease != rhsPreRelease {
if lhsPreRelease == "alpha" && rhsPreRelease == "beta" {
return .orderedAscending
} else if lhsPreRelease == "beta" && rhsPreRelease == "alpha" {
return .orderedDescending
} else {
return lhsPreRelease < rhsPreRelease ? .orderedAscending : .orderedDescending
}
}
return .orderedSame
}
``` // Fatal error: Index out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
for (lhsComponent, rhsComponent) in zip(lhsComponents, rhsComponents) {
if lhsComponent == rhsComponent {
continue
}
let lhsInt = Int(lhsComponent)
let rhsInt = Int(rhsComponent)
if let lhsInt = lhsInt, let rhsInt = rhsInt {
return lhsInt < rhsInt ? .orderedAscending : .orderedDescending
} else if lhsComponent == "beta" {
return .orderedAscending
} else if rhsComponent == "beta" {
return .orderedDescending
} else if lhsComponent == "alpha" {
return .orderedAscending
} else if rhsComponent == "alpha" {
return .orderedDescending
} else {
return lhsComponent < rhsComponent ? .orderedAscending : .orderedDescending
}
}
return lhsComponents.count < rhsComponents.count ? .orderedAscending :
(lhsComponents.count == rhsComponents.count ? .orderedSame : .orderedDescending)
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
for (lhsComponent, rhsComponent) in zip(lhsComponents, rhsComponents) {
if lhsComponent == rhsComponent {
continue
}
let lhsInt = Int(lhsComponent)
let rhsInt = Int(rhsComponent)
if let lhsInt = lhsInt, let rhsInt = rhsInt {
return lhsInt < rhsInt ? .orderedAscending : .orderedDescending
} else if lhsComponent == "beta" {
return .orderedAscending
} else if rhsComponent == "beta" {
return .orderedDescending
} else if lhsComponent == "alpha" {
return .orderedAscending
} else if rhsComponent == "alpha" {
return .orderedDescending
} else {
return lhsComponent < rhsComponent ? .orderedAscending : .orderedDescending
}
}
return lhsComponents.count < rhsComponents.count ? .orderedAscending :
(lhsComponents.count == rhsComponents.count ? .orderedSame : .orderedDescending)
}
``` // XCTAssertTrue failedenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = Int(lhsComponents[0]) ?? 0
let rhsMajor = Int(rhsComponents[0]) ?? 0
if lhsMajor != rhsMajor {
return lhsMajor < rhsMajor ? .orderedAscending : .orderedDescending
}
let lhsMinor = Int(lhsComponents[1]) ?? 0
let rhsMinor = Int(rhsComponents[1]) ?? 0
if lhsMinor != rhsMinor {
return lhsMinor < rhsMinor ? .orderedAscending : .orderedDescending
}
let lhsPatch = Int(lhsComponents[2]) ?? 0
let rhsPatch = Int(rhsComponents[2]) ?? 0
if lhsPatch != rhsPatch {
return lhsPatch < rhsPatch ? .orderedAscending : .orderedDescending
}
let lhsPreRelease = lhsComponents.count > 3 ? lhsComponents[3] : ""
let rhsPreRelease = rhsComponents.count > 3 ? rhsComponents[3] : ""
if lhsPreRelease != rhsPreRelease {
if lhsPreRelease == "alpha" && rhsPreRelease == "beta" {
return .orderedAscending
} else if lhsPreRelease == "beta" && rhsPreRelease == "alpha" {
return .orderedDescending
} else {
return lhsPreRelease < rhsPreRelease ? .orderedAscending : .orderedDescending
}
}
return .orderedSame
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = Int(lhsComponents[0]) ?? 0
let rhsMajor = Int(rhsComponents[0]) ?? 0
if lhsMajor != rhsMajor {
return lhsMajor < rhsMajor ? .orderedAscending : .orderedDescending
}
let lhsMinor = Int(lhsComponents[1]) ?? 0
let rhsMinor = Int(rhsComponents[1]) ?? 0
if lhsMinor != rhsMinor {
return lhsMinor < rhsMinor ? .orderedAscending : .orderedDescending
}
let lhsPatch = Int(lhsComponents[2]) ?? 0
let rhsPatch = Int(rhsComponents[2]) ?? 0
if lhsPatch != rhsPatch {
return lhsPatch < rhsPatch ? .orderedAscending : .orderedDescending
}
let lhsPreRelease = lhsComponents.count > 3 ? lhsComponents[3] : ""
let rhsPreRelease = rhsComponents.count > 3 ? rhsComponents[3] : ""
if lhsPreRelease != rhsPreRelease {
if lhsPreRelease == "alpha" && rhsPreRelease == "beta" {
return .orderedAscending
} else if lhsPreRelease == "beta" && rhsPreRelease == "alpha" {
return .orderedDescending
} else {
return lhsPreRelease < rhsPreRelease ? .orderedAscending : .orderedDescending
}
}
return .orderedSame
}
``` // Fatal error: Index out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhs = lhs.split(separator: ".")
let rhs = rhs.split(separator: ".")
let lhsMajor = Int(lhs[0]) ?? 0
let rhsMajor = Int(rhs[0]) ?? 0
let lhsMinor = Int(lhs[1]) ?? 0
let rhsMinor = Int(rhs[1]) ?? 0
let lhsPatch = Int(lhs[2]) ?? 0
let rhsPatch = Int(rhs[2]) ?? 0
if lhsMajor > rhsMajor {
return .orderedDescending
} else if lhsMajor < rhsMajor {
return .orderedAscending
} else {
if lhsMinor > rhsMinor {
return .orderedDescending
} else if lhsMinor < rhsMinor {
return .orderedAscending
} else {
if lhsPatch > rhsPatch {
return .orderedDescending
} else if lhsPatch < rhsPatch {
return .orderedAscending
} else {
return .orderedSame
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhs = lhs.split(separator: ".")
let rhs = rhs.split(separator: ".")
let lhsMajor = Int(lhs[0]) ?? 0
let rhsMajor = Int(rhs[0]) ?? 0
let lhsMinor = Int(lhs[1]) ?? 0
let rhsMinor = Int(rhs[1]) ?? 0
let lhsPatch = Int(lhs[2]) ?? 0
let rhsPatch = Int(rhs[2]) ?? 0
if lhsMajor > rhsMajor {
return .orderedDescending
} else if lhsMajor < rhsMajor {
return .orderedAscending
} else {
if lhsMinor > rhsMinor {
return .orderedDescending
} else if lhsMinor < rhsMinor {
return .orderedAscending
} else {
if lhsPatch > rhsPatch {
return .orderedDescending
} else if lhsPatch < rhsPatch {
return .orderedAscending
} else {
return .orderedSame
}
}
}
}
``` // Fatal error: Index out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhs = lhs.split(separator: ".")
let rhs = rhs.split(separator: ".")
let lhsMajor = Int(lhs[0]) ?? 0
let lhsMinor = Int(lhs[1]) ?? 0
let lhsPatch = Int(lhs[2]) ?? 0
let rhsMajor = Int(rhs[0]) ?? 0
let rhsMinor = Int(rhs[1]) ?? 0
let rhsPatch = Int(rhs[2]) ?? 0
if lhsMajor > rhsMajor {
return .orderedDescending
} else if lhsMajor < rhsMajor {
return .orderedAscending
} else {
if lhsMinor > rhsMinor {
return .orderedDescending
} else if lhsMinor < rhsMinor {
return .orderedAscending
} else {
if lhsPatch > rhsPatch {
return .orderedDescending
} else if lhsPatch < rhsPatch {
return .orderedAscending
} else {
return .orderedSame
}
}
}
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhs = lhs.split(separator: ".")
let rhs = rhs.split(separator: ".")
let lhsMajor = Int(lhs[0]) ?? 0
let lhsMinor = Int(lhs[1]) ?? 0
let lhsPatch = Int(lhs[2]) ?? 0
let rhsMajor = Int(rhs[0]) ?? 0
let rhsMinor = Int(rhs[1]) ?? 0
let rhsPatch = Int(rhs[2]) ?? 0
if lhsMajor > rhsMajor {
return .orderedDescending
} else if lhsMajor < rhsMajor {
return .orderedAscending
} else {
if lhsMinor > rhsMinor {
return .orderedDescending
} else if lhsMinor < rhsMinor {
return .orderedAscending
} else {
if lhsPatch > rhsPatch {
return .orderedDescending
} else if lhsPatch < rhsPatch {
return .orderedAscending
} else {
return .orderedSame
}
}
}
}
``` // Fatal error: Index out of rangeenum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = lhsComponents[0]
let rhsMajor = rhsComponents[0]
if lhsMajor != rhsMajor {
return lhsMajor < rhsMajor ? .orderedAscending : .orderedDescending
}
let lhsMinor = lhsComponents[1]
let rhsMinor = rhsComponents[1]
if lhsMinor != rhsMinor {
return lhsMinor < rhsMinor ? .orderedAscending : .orderedDescending
}
let lhsPatch = lhsComponents[2]
let rhsPatch = rhsComponents[2]
if lhsPatch != rhsPatch {
return lhsPatch < rhsPatch ? .orderedAscending : .orderedDescending
}
let lhsTag = lhsComponents.count > 2 ? lhsComponents[3] : ""
let rhsTag = rhsComponents.count > 2 ? rhsComponents[3] : ""
if lhsTag != rhsTag {
if lhsTag == "alpha" && rhsTag == "beta" {
return .orderedAscending
} else if lhsTag == "beta" && rhsTag == "alpha" {
return .orderedDescending
} else {
return lhsTag < rhsTag ? .orderedAscending : .orderedDescending
}
}
return .orderedSame
}### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function that compares two version number strings (created with respect of semantic versioning specification including "alpha" and "beta" tags) and returning their ordering as a value of type ComparisonResult.
### Response:
```swift
enum ComparisonResult {
case orderedSame
case orderedAscending
case orderedDescending
}
func compareVersions(_ lhs: String, _ rhs: String) -> ComparisonResult {
let lhsComponents = lhs.components(separatedBy: ".")
let rhsComponents = rhs.components(separatedBy: ".")
let lhsMajor = lhsComponents[0]
let rhsMajor = rhsComponents[0]
if lhsMajor != rhsMajor {
return lhsMajor < rhsMajor ? .orderedAscending : .orderedDescending
}
let lhsMinor = lhsComponents[1]
let rhsMinor = rhsComponents[1]
if lhsMinor != rhsMinor {
return lhsMinor < rhsMinor ? .orderedAscending : .orderedDescending
}
let lhsPatch = lhsComponents[2]
let rhsPatch = rhsComponents[2]
if lhsPatch != rhsPatch {
return lhsPatch < rhsPatch ? .orderedAscending : .orderedDescending
}
let lhsTag = lhsComponents.count > 2 ? lhsComponents[3] : ""
let rhsTag = rhsComponents.count > 2 ? rhsComponents[3] : ""
if lhsTag != rhsTag {
if lhsTag == "alpha" && rhsTag == "beta" {
return .orderedAscending
} else if lhsTag == "beta" && rhsTag == "alpha" {
return .orderedDescending
} else {
return lhsTag < rhsTag ? .orderedAscending : .orderedDescending
}
}
return .orderedSame
}
``` // Fatal error: Index out of range