Metadata
Key | Value |
---|---|
engine | mlx |
prompt | completion |
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
}
var result: Any?
var error: Error?
do {
result = try JSONSerialization.jsonObject(with: data, options: [])
} catch {
error = ParsingError.internalError(error)
}
guard let json = result as? JSON else {
throw error ?? ParsingError.internalError(ParsingError.invalidInput)
}
return json
}
func serialize(json: JSON) throws -> String {
guard let data = try? JSONSerialization.data(withJSONObject: json, options: []) else {
throw ParsingError.internalError(ParsingError.invalidInput)
}
return String(data: data, encoding: .utf8) ?? ""
}
func parse(data: Data) throws -> JSON {
var result: Any?
var error: Error?
do {
result = try JSONSerialization.jsonObject(with: data, options: [])
} catch {
error = ParsingError.internalError(error)
}
guard let json = result as? JSON else {
throw error ?? ParsingError.internalError(ParsingError.invalidInput)
}
return json
}
func serialize(json: JSON) throws -> Data {
guard let data = try? JSONSerialization.data(withJSONObject: json, options: []) else {
throw ParsingError.internalError(ParsingError.invalidInput)
}
return data
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
var result: Any?
var error: Error?
do {
result = try JSONSerialization.jsonObject(with: data, options: [])
} catch {
error = ParsingError.internalError(error)
}
guard let json = result as? JSON else {
throw error ?? ParsingError.internalError(ParsingError.invalidInput)
}
return json
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON) throws -> String {
guard let data = try? JSONSerialization.data(withJSONObject: json, options: []) else {
throw ParsingError.internalError(ParsingError.invalidInput)
}
return String(data: data, encoding: .utf8) ?? ""
}
// JSON parser, returns custom error type in case of failures.
func parse(data: Data) throws -> JSON {
var result: Any?
var error: Error?
do {
result = try JSONSerialization.jsonObject(with: data, options: [])
} catch {
error = ParsingError.internalError(error)
}
guard let json = result as? JSON else {
throw error ?? ParsingError.internalError(ParsingError.invalidInput)
}
return json
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON) throws -> Data {
guard let data = try? JSONSerialization.data(withJSONObject: json, options: []) else {
throw ParsingError.internalError(ParsingError.invalidInput)
}
return data
}
<|file_separator|>
error = ParsingError.internalError(error) // cannot assign to value: 'error' is immutable
error = ParsingError.internalError(error) // cannot assign to value: 'error' is immutable
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 result = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = result as? JSON else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
func serialize(dictionary: JSON) throws -> String {
do {
let data = try JSONSerialization.data(withJSONObject: dictionary, options: [])
guard let string = String(data: data, encoding: .utf8) else {
throw ParsingError.invalidInput
}
return string
} catch {
throw ParsingError.internalError(error)
}
}
func parse(data: Data) throws -> JSON {
do {
let result = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = result as? JSON else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
func serialize(data: Data) throws -> String {
do {
let result = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = result as? JSON else {
throw ParsingError.invalidInput
}
return try serialize(dictionary: dictionary)
} catch {
throw ParsingError.internalError(error)
}
}
func parse(string: String, encoding: String.Encoding) throws -> JSON {
guard let data = string.data(using: encoding) else {
throw ParsingError.invalidInput
}
return try parse(data: data)
}
func serialize(dictionary: JSON, encoding: String.Encoding) throws -> String {
return try serialize(data: try serialize(dictionary: dictionary))
}
func parse(data: Data, encoding: String.Encoding) throws -> JSON {
return try parse(data: data, encoding: encoding)
}
func serialize(data: Data, encoding: String.Encoding) throws -> String {
return try serialize(data: data, encoding: encoding)
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
do {
let result = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = result as? JSON else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
// JSON serializer, returns custom error type in case of failures.
func serialize(dictionary: JSON) throws -> String {
do {
let data = try JSONSerialization.data(withJSONObject: dictionary, options: [])
guard let string = String(data: data, encoding: .utf8) else {
throw ParsingError.invalidInput
}
return string
} catch {
throw ParsingError.internalError(error)
}
}
// JSON parser, returns custom error type in case of failures.
func parse(data: Data) throws -> JSON {
do {
let result = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = result as? JSON else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
// JSON serializer, returns custom error type in case of failures.
func serialize(data: Data) throws -> String {
do {
let result = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = result as? JSON else {
throw ParsingError.invalidInput
}
return try serialize(dictionary: dictionary)
} catch {
throw ParsingError.internalError(error)
}
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String, encoding: String.Encoding) throws -> JSON {
guard let data = string.data(using: encoding) else {
throw ParsingError.invalidInput
}
return try parse(data: data)
}
// JSON serializer, returns custom error type in case of failures.
func serialize(dictionary: JSON, encoding: String.Encoding) throws -> String {
return try serialize(data: try serialize(dictionary: dictionary))
}
// JSON parser, returns custom error type in case of failures.
func parse(data: Data, encoding: String.Encoding) throws -> JSON {
return try parse(data: data, encoding: encoding)
}
// JSON serializer, returns custom error type in case of failures.
func serialize(data: Data, encoding: String.Encoding) throws -> String {
return try serialize(data: data, encoding: encoding)
}
<|file_separator|>
return try serialize(data: try serialize(dictionary: dictionary)) // cannot convert value of type 'String' to expected argument type 'Data'
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
var result: JSON = [:]
var startIndex = data.startIndex
var endIndex = data.endIndex
// Skip leading whitespace
while startIndex < endIndex && Character(UnicodeScalar(9)!) == data[startIndex] {
startIndex = data.index(after: startIndex)
}
// Check if the string starts with a left curly brace
guard startIndex < endIndex && data[startIndex] == Character(UnicodeScalar(123)!) else {
throw ParsingError.invalidInput
}
// Skip the left curly brace
startIndex = data.index(after: startIndex)
// Parse the JSON object
while startIndex < endIndex {
// Check if the current character is a right curly brace
if data[startIndex] == Character(UnicodeScalar(125)!) {
// Skip the right curly brace
startIndex = data.index(after: startIndex)
break
}
// Check if the current character is a comma
if data[startIndex] == Character(UnicodeScalar(44)!) {
// Skip the comma
startIndex = data.index(after: startIndex)
continue
}
// Check if the current character is a colon
if data[startIndex] == Character(UnicodeScalar(58)!) {
// Skip the colon
startIndex = data.index(after: startIndex)
continue
}
// Check if the current character is a left curly brace
if data[startIndex] == Character(UnicodeScalar(123)!) {
// Parse the key
let key = parseKey(data: data, startIndex: startIndex)
// Check if the key is a string
guard let keyString = key as? String else {
throw ParsingError.invalidInput
}
// Skip the colon
startIndex = data.index(after: startIndex)
// Check if the current character is a colon
if data[startIndex] != Character(UnicodeScalar(58)!) {
throw ParsingError.invalidInput
}
// Skip the colon
startIndex = data.index(after: startIndex)
// Parse the value
let value = try parseValue(data: data, startIndex: startIndex)
// Check if the value is a string
guard let valueString = value as? String else {
throw ParsingError.invalidInput
}
// Check if the value is a number
if let valueNumber = value as? Double {
// Check if the value is a negative number
if valueNumber < 0 {
// Convert the negative number to a string
let valueString = String(valueNumber)
// Check if the value is a negative number
if valueString.hasPrefix("-") {
// Convert the negative number to a negative string
result[keyString] = valueString
} else {
// Convert the negative number to a positive string
result[keyString] = "-" + valueString
}
} else {
// Convert the negative number to a positive string
result[keyString] = valueString
}
} else {
// Check if the value is a boolean
if let valueBool = value as? Bool {
// Convert the boolean to a string
result[keyString] = valueBool.description
} else {
// Convert the value to a string
result[keyString] = valueString
}
}
// Skip the right curly brace
startIndex = data.index(after: startIndex)
// Check if the current character is a comma
if data[startIndex] == Character(UnicodeScalar(44)!) {
// Skip the comma
startIndex = data.index(after: startIndex)
}
} else {
// Check if the current character is a right curly brace
if data[startIndex] == Character(UnicodeScalar(125)!) {
// Skip the right curly brace
startIndex = data.index(after: startIndex)
break
}
// Check if the current character is a comma
if data[startIndex] == Character(UnicodeScalar(44)!) {
// Skip the comma
startIndex = data.index(
let result = try parse(string: string) // cannot find 'parse' in scope
_ = try parse(string: string) // cannot find 'parse' in scope
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
// ...
}
func serialize(json: JSON) throws -> String {
// ...
}
func parse(data: Data) throws -> JSON {
// ...
}
func serialize(json: JSON) throws -> Data {
// ...
}
func parse(url: URL) throws -> JSON {
// ...
}
func serialize(json: JSON) throws -> URL {
// ...
}
func parse(url: URL, options: JSONSerialization.ReadingOptions) throws -> JSON {
// ...
}
func serialize(json: JSON, options: JSONSerialization.WritingOptions) throws -> Data {
// ...
}
func serialize(json: JSON, options: JSONSerialization.WritingOptions) throws -> URL {
// ...
}
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int) throws -> JSON {
// ...
}
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int) throws -> Data {
// ...
}
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int) throws -> URL {
// ...
}
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int, encoding: String.Encoding) throws -> JSON {
// ...
}
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int, encoding: String.Encoding) throws -> Data {
// ...
}
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int, encoding: String.Encoding) throws -> URL {
// ...
}
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int, encoding: String.Encoding, userInfo: [CodingUserInfoKey: Any]?) throws -> JSON {
// ...
}
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int, encoding: String.Encoding, userInfo: [CodingUserInfoKey: Any]?) throws -> Data {
// ...
}
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int, encoding: String.Encoding, userInfo: [CodingUserInfoKey: Any]?) throws -> URL {
// ...
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON) throws -> String {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(data: Data) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON) throws -> Data {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON) throws -> URL {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON, options: JSONSerialization.WritingOptions) throws -> Data {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON, options: JSONSerialization.WritingOptions) throws -> URL {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int) throws -> Data {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int) throws -> URL {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int, encoding: String.Encoding) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int, encoding: String.Encoding) throws -> Data {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int, encoding: String.Encoding) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int, encoding: String.Encoding) throws -> URL {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int, encoding: String.Encoding, userInfo: [CodingUserInfoKey: Any]?) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int, encoding: String.Encoding, userInfo: [CodingUserInfoKey: Any]?) throws -> Data {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int, encoding: String.Encoding, userInfo: [CodingUserInfoKey: Any]?) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON, options: JSONSerialization.WritingOptions, maxLength: Int, encoding: String.Encoding, userInfo: [CodingUserInfoKey: Any]?) throws -> URL {
// ...
}
// JSON parser, returns custom error type in case of failures.
func parse(url: URL, options: JSONSerialization.ReadingOptions, maxLength: Int, encoding: String.Encoding, userInfo: [CodingUserInfoKey: Any]?) throws -> JSON {
// ...
}
// JSON serializer, returns custom error type in case of failures.
func serialize(json: JSON
} // missing return in global function expected to return 'JSON' (aka 'Dictionary<String, Any>')
} // missing return in global function expected to return 'String'
} // missing return in global function expected to return 'JSON' (aka 'Dictionary<String, Any>')
} // missing return in global function expected to return 'Data'
} // missing return in global function expected to return 'JSON' (aka 'Dictionary<String, Any>')
} // missing return in global function expected to return 'URL'
} // missing return in global function expected to return 'JSON' (aka 'Dictionary<String, Any>')
} // missing return in global function expected to return 'Data'
} // missing return in global function expected to return 'URL'
} // missing return in global function expected to return 'JSON' (aka 'Dictionary<String, Any>')
} // missing return in global function expected to return 'Data'
} // missing return in global function expected to return 'URL'
} // missing return in global function expected to return 'JSON' (aka 'Dictionary<String, Any>')
} // missing return in global function expected to return 'Data'
} // missing return in global function expected to return 'URL'
} // missing return in global function expected to return 'JSON' (aka 'Dictionary<String, Any>')
} // missing return in global function expected to return 'Data'
} // missing return in global function expected to return 'URL'
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
// Check if the string is a valid JSON.
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
// Try to parse the JSON.
do {
let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
return json ?? [:]
} catch {
throw ParsingError.internalError(error)
}
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
// Check if the string is a valid JSON.
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
// Try to parse the JSON.
do {
let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
return json ?? [:]
} catch {
throw ParsingError.internalError(error)
}
}
// Example usage:
do {
let json = try parse(string: "{\"key\": \"value\"}")
print(json)
} catch {
print("Error parsing JSON:", error)
}
<|file_separator|>
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
// Check if the input is a valid JSON string.
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
// Try to parse the JSON string into a dictionary.
do {
if let dictionary = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
return dictionary
} else {
throw ParsingError.invalidInput
}
} catch {
throw ParsingError.internalError(error)
}
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
// Check if the input is a valid JSON string.
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
// Try to parse the JSON string into a dictionary.
do {
if let dictionary = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
return dictionary
} else {
throw ParsingError.invalidInput
}
} catch {
throw ParsingError.internalError(error)
}
}
// Example usage:
do {
let json = """
{
"name": "John",
"age": 30,
"address": {
"street": "123 Main St",
"city": "Anytown"
}
}
"""
let parsedJSON = try parse(string: json)
print(parsedJSON)
} catch {
print("Error parsing JSON: \(error)")
}
<|file_separator|>
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
// 1. Check if the string is valid JSON.
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
// 2. Try to parse the JSON.
do {
let json = try JSONSerialization.jsonObject(with: data, options: [])
// 3. Check if the JSON is valid.
guard let dictionary = json as? [String: Any] else {
throw ParsingError.invalidInput
}
// 4. Return the parsed JSON.
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
// 1. Check if the string is valid JSON.
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
// 2. Try to parse the JSON.
do {
let json = try JSONSerialization.jsonObject(with: data, options: [])
// 3. Check if the JSON is valid.
guard let dictionary = json as? [String: Any] else {
throw ParsingError.invalidInput
}
// 4. Return the parsed JSON.
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
// Example usage:
let jsonString = """
{
"name": "John",
"age": 30,
"address": {
"street": "123 Main St",
"city": "Anytown",
"state": "CA",
"zip": "12345"
}
}
"""
do {
let json = try parse(string: jsonString)
print(json)
} catch {
print("Error parsing JSON: \(error)")
}
<|file_separator|>
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
let data = string.data(using: .utf8)!
let json = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = json as? [String: Any] else {
throw ParsingError.invalidInput
}
return dictionary
}
func encode(dictionary: JSON) throws -> String {
let data = try JSONSerialization.data(withJSONObject: dictionary, options: [])
guard let string = String(data: data, encoding: .utf8) else {
throw ParsingError.internalError(NSError())
}
return string
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
let data = string.data(using: .utf8)!
let json = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = json as? [String: Any] else {
throw ParsingError.invalidInput
}
return dictionary
}
// JSON encoder, returns custom error type in case of failures.
func encode(dictionary: JSON) throws -> String {
let data = try JSONSerialization.data(withJSONObject: dictionary, options: [])
guard let string = String(data: data, encoding: .utf8) else {
throw ParsingError.internalError(NSError())
}
return string
}
<|file_separator|>
// XCTAssertTrue failed
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
func parse(string: String) throws -> JSON {
// Check if the string is a valid JSON.
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
// Try to parse the JSON.
do {
let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
return json ?? [:]
} catch {
throw ParsingError.internalError(error)
}
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
func parse(string: String) throws -> JSON {
// Check if the string is a valid JSON.
guard let data = string.data(using: .utf8) else {
throw ParsingError.invalidInput
}
// Try to parse the JSON.
do {
let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON
return json ?? [:]
} catch {
throw ParsingError.internalError(error)
}
}
// Example usage:
do {
let json = try parse(string: "{\"key\": \"value\"}")
print(json)
} catch {
print("Error parsing JSON:", error)
}
<|file_separator|>
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: [])
guard let dictionary = json as? JSON else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
func serialize(dictionary: JSON) throws -> String {
do {
let data = try JSONSerialization.data(withJSONObject: dictionary, options: [])
guard let string = String(data: data, encoding: .utf8) else {
throw ParsingError.invalidInput
}
return string
} catch {
throw ParsingError.internalError(error)
}
}
func parse(data: Data) throws -> JSON {
do {
let json = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = json as? JSON else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
func serialize(data: Data) throws -> String {
do {
let string = String(data: data, encoding: .utf8)
guard let dictionary = string else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
```swift
typealias JSON = [String: Any]
enum ParsingError: Error {
case invalidInput
case internalError(Error)
}
// JSON parser, returns custom error type in case of failures.
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: [])
guard let dictionary = json as? JSON else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
// JSON serializer, returns custom error type in case of failures.
func serialize(dictionary: JSON) throws -> String {
do {
let data = try JSONSerialization.data(withJSONObject: dictionary, options: [])
guard let string = String(data: data, encoding: .utf8) else {
throw ParsingError.invalidInput
}
return string
} catch {
throw ParsingError.internalError(error)
}
}
// JSON parser, returns custom error type in case of failures.
func parse(data: Data) throws -> JSON {
do {
let json = try JSONSerialization.jsonObject(with: data, options: [])
guard let dictionary = json as? JSON else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
// JSON serializer, returns custom error type in case of failures.
func serialize(data: Data) throws -> String {
do {
let string = String(data: data, encoding: .utf8)
guard let dictionary = string else {
throw ParsingError.invalidInput
}
return dictionary
} catch {
throw ParsingError.internalError(error)
}
}
<|file_separator|>
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
// Example usage:
let html = generate(
.element("html", children: [
.element("head", children: [
.element("title", children: [
.text("Title")
])
]),
.element("body", children: [
.element("h1", children: [
.text("Header")
]),
.element("p", children: [
.text("Paragraph")
]),
.element("a", attributes: ["href": "https://swifteval.com"], children: [
.text("Link")
])
])
])
)
print(html)
<|file_separator|>
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):
return "<" + name + attributes.map { (key, value) in
return key + "=\"" + value + "\""
}.joined(separator: " ") + ">" + children.map { generate($0) }.joined(separator: "") + "</" + name + ">"
}
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) in
return key + "=\"" + value + "\""
}.joined(separator: " ") + ">" + children.map { generate($0) }.joined(separator: "") + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) in
return key + "=\"" + value + "\""
}.joined(separator: " ") + ">" + children.map { generate($0) }.joined(separator: "") + "</" + name + ">"
}
}
<|file_separator|>
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):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
// Example usage:
let tree = HTMLNode.element("div", children: [
HTMLNode.element("a", attributes: ["href": "swifteval"], children: [
HTMLNode.text("Hello, world!")
])
])
print(generate(tree))
<|file_separator|>
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):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result +=
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):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
var result = "<" + name
for (key, value) in attributes {
result += " " + key + "=\"" + value + "\""
}
result += ">"
for child in children {
result += generate(child)
}
result += "</" + name + ">"
return result
}
}
// Example of usage
let html = HTMLNode.element("html", children: [
HTMLNode.element("head", children: [
HTMLNode.element("title", children: [
HTMLNode.text("Title")
])
]),
HTMLNode.element("body", children: [
HTMLNode.element("h1", children: [
HTMLNode.text("Header")
]),
HTMLNode.element("p", children: [
HTMLNode.text("Paragraph")
]),
HTMLNode.element("a", attributes: ["href": "swifteval"], children: [
HTMLNode.text("Link")
])
])
])
print(generate(html))
<|file_separator|>
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
// Example usage:
let html = generate(
.element("div", children: [
.element("a", attributes: ["href": "swifteval"], children: [
.text("Hello, world!")
])
])
)
print(html)
<|file_separator|>
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):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
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 += "</" + name + ">"
}
}
generate(tree)
return result
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
var result = ""
func generate(_ node: HTMLNode) {
switch node {
case .text(let content):
result += content
case .element
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):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .
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):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
```swift
indirect enum HTMLNode {
case text(_ content: String)
case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .element(let name, let attributes, let children):
return "<" + name + attributes.map { (key, value) -> String in
return " " + key + "=\"" + value + "\""
}.joined() + ">" + children.map { generate($0) }.joined() + "</" + name + ">"
}
}
// HTML generator from predefined elements tree.
// Output with standart HTML like this "<div><a href="swifteval"></a></div>"
func generate(_ tree: HTMLNode) -> String {
switch tree {
case .text(let content):
return content
case .
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
// Remove all whitespaces
let input = string.replacingOccurrences(of: " ", with: "")
// Check if input is valid
guard isValid(input) else {
throw CalculateError.invalidInput
}
// Split input into tokens
let tokens = input.components(separatedBy: CharacterSet.decimalDigits.inverted)
// Check if input is valid
guard tokens.count == 1 else {
throw CalculateError.invalidInput
}
// Get the only token
let token = tokens[0]
// Check if token is a number
guard let number = Double(token) else {
throw CalculateError.invalidInput
}
// Return the only token
return number
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
// Remove all whitespaces
let input = string.replacingOccurrences(of: " ", with: "")
// Check if input is valid
guard isValid(input) else {
throw CalculateError.invalidInput
}
// Split input into tokens
let tokens = input.components(separatedBy: CharacterSet.decimalDigits.inverted)
// Check if input is valid
guard tokens.count == 1 else {
throw CalculateError.invalidInput
}
// Get the only token
let token = tokens[0]
// Check if token is a number
guard let number = Double(token) else {
throw CalculateError.invalidInput
}
// Return the only token
return number
}
// Check if input is valid
func isValid(_ string: String) -> Bool {
// Check if string is empty
guard !string.isEmpty else {
return false
}
// Check if string is a number
guard let _ = Double(string) else {
return false
}
// Check if string is a valid operation
guard isValidOperation(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
// Check if string is a valid expression
guard isValidExpression(string) else {
return false
}
guard isValid(input) else { // cannot find 'isValid' in scope
enum CalculateError: Error {
case invalidInput
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
// Remove all spaces
var input = string.replacingOccurrences(of: " ", with: "")
// Check if input is valid
guard isValidInput(input) else {
throw CalculateError.invalidInput
}
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all parentheses
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with: "")
input = input.replacingOccurrences(of: ")", with: "")
// Remove all brackets
input = input.replacingOccurrences(of: "(", with:
XCTAssertEqual(try calculate("2+2"), 4.0) // cannot find 'calculate' in scope
XCTAssertEqual(try calculate("2+2*2"), 6.0) // cannot find 'calculate' in scope
XCTAssertEqual(try calculate("(2+2)*2"), 8.0) // cannot find 'calculate' in scope
XCTAssertThrowsError(try calculate("A/B")) // cannot find 'calculate' in scope
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.split(separator: " ")
var stack = [Double]()
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
let b = stack.pop()!
let a = stack.pop()!
switch token {
case "+":
stack.append(a + b)
case "-":
stack.append(a - b)
case "*":
stack.append(a * b)
case "/":
stack.append(a / b)
default:
throw CalculateError.invalidInput
}
}
}
return stack.pop()!
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
let tokens = string.split(separator: " ")
var stack = [Double]()
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
let b = stack.pop()!
let a = stack.pop()!
switch token {
case "+":
stack.append(a + b)
case "-":
stack.append(a - b)
case "*":
stack.append(a * b)
case "/":
stack.append(a / b)
default:
throw CalculateError.invalidInput
}
}
}
return stack.pop()!
}
// Example usage:
do {
let result = try calculate("2+2*2")
print(result)
} catch {
print("Error: \(error)")
}
<|file_separator|>
let b = stack.pop()! // value of type '[Double]' has no member 'pop'
let a = stack.pop()! // value of type '[Double]' has no member 'pop'
stack.append(a + b) // cannot convert value of type 'String' to expected argument type 'Double'
stack.append(a - b) // cannot convert value of type 'Duration' to expected argument type 'Double'
stack.append(a * b) // cannot convert value of type 'Duration' to expected argument type 'Double'
stack.append(a / b) // cannot convert value of type 'Duration' to expected argument type 'Double'
return stack.pop()! // value of type '[Double]' has no member 'pop'
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
guard let tokens = string.split(separator: " ") else {
throw CalculateError.invalidInput
}
var stack = [Double]()
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else if let operation = Operation(rawValue: token) {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let b = stack.removeLast()
let a = stack.removeLast()
switch operation {
case .add:
stack.append(a + b)
case .subtract:
stack.append(a - b)
case .multiply:
stack.append(a * b)
case .divide:
stack.append(a / b)
}
} else {
throw CalculateError.invalidInput
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
enum Operation: String {
case add = "+"
case subtract = "-"
case multiply = "*"
case divide = "/"
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
guard let tokens = string.split(separator: " ") else {
throw CalculateError.invalidInput
}
var stack = [Double]()
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else if let operation = Operation(rawValue: token) {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let b = stack.removeLast()
let a = stack.removeLast()
switch operation {
case .add:
stack.append(a + b)
case .subtract:
stack.append(a - b)
case .multiply:
stack.append(a * b)
case .divide:
stack.append(a / b)
}
} else {
throw CalculateError.invalidInput
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
enum Operation: String {
case add = "+"
case subtract = "-"
case multiply = "*"
case divide = "/"
}
// Example usage
do {
let result = try calculate("2+2*2")
print(result)
} catch CalculateError.invalidInput {
print("Invalid input")
}
<|file_separator|>
guard let tokens = string.split(separator: " ") else { // initializer for conditional binding must have Optional type, not '[String.SubSequence]' (aka 'Array<Substring>')
} else if let operation = Operation(rawValue: token) { // cannot convert value of type 'String.SubSequence' (aka 'Substring') to expected argument type 'String'
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
// Check if the string is valid
guard let tokens = string.split(separator: " ") else {
throw CalculateError.invalidInput
}
// Check if the string is valid
guard tokens.count == 3 else {
throw CalculateError.invalidInput
}
// Check if the string is valid
guard tokens[1] == "+" || tokens[1] == "-" || tokens[1] == "*" || tokens[1] == "/" else {
throw CalculateError.invalidInput
}
// Check if the string is valid
guard let first = Double(tokens[0]), let second = Double(tokens[2]) else {
throw CalculateError.invalidInput
}
// Check if the string is valid
switch tokens[1] {
case "+":
return first + second
case "-":
return first - second
case "*":
return first * second
case "/":
return first / second
default:
throw CalculateError.invalidInput
}
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
// Check if the string is valid
guard let tokens = string.split(separator: " ") else {
throw CalculateError.invalidInput
}
// Check if the string is valid
guard tokens.count == 3 else {
throw CalculateError.invalidInput
}
// Check if the string is valid
guard tokens[1] == "+" || tokens[1] == "-" || tokens[1] == "*" || tokens[1] == "/" else {
throw CalculateError.invalidInput
}
// Check if the string is valid
guard let first = Double(tokens[0]), let second = Double(tokens[2]) else {
throw CalculateError.invalidInput
}
// Check if the string is valid
switch tokens[1] {
case "+":
return first + second
case "-":
return first - second
case "*":
return first * second
case "/":
return first / second
default:
throw CalculateError.invalidInput
}
}
// Example usage
do {
let result = try calculate("2+2*2")
print(result)
} catch {
print("Error: \(error)")
}
<|file_separator|>
guard let tokens = string.split(separator: " ") else { // initializer for conditional binding must have Optional type, not '[String.SubSequence]' (aka 'Array<Substring>')
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
let tokens = string.components(separatedBy: " ")
var stack = [Double]()
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else if let operation = Operation(rawValue: token) {
let right = stack.removeLast()
let left = stack.removeLast()
switch operation {
case .add:
stack.append(left + right)
case .subtract:
stack.append(left - right)
case .multiply:
stack.append(left * right)
case .divide:
if right == 0 {
throw CalculateError.invalidInput
}
stack.append(left / right)
}
} else {
throw CalculateError.invalidInput
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
enum Operation: String {
case add = "+"
case subtract = "-"
case multiply = "*"
case divide = "/"
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
let tokens = string.components(separatedBy: " ")
var stack = [Double]()
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else if let operation = Operation(rawValue: token) {
let right = stack.removeLast()
let left = stack.removeLast()
switch operation {
case .add:
stack.append(left + right)
case .subtract:
stack.append(left - right)
case .multiply:
stack.append(left * right)
case .divide:
if right == 0 {
throw CalculateError.invalidInput
}
stack.append(left / right)
}
} else {
throw CalculateError.invalidInput
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
enum Operation: String {
case add = "+"
case subtract = "-"
case multiply = "*"
case divide = "/"
}
// Example usage:
do {
let result = try calculate("2+2*2")
print(result)
} catch CalculateError.invalidInput {
print("Invalid input")
} catch {
print("Unknown error")
}
<|file_separator|>
// Fatal error: Error raised at top level: Solution.CalculateError.invalidInput
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
var tokens = string.split(separator: " ")
if tokens.count == 0 {
throw CalculateError.invalidInput
}
var stack = [Double]()
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else if token == "+" || token == "-" || token == "*" || token == "/" {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
switch token {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
} else {
throw CalculateError.invalidInput
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
var tokens = string.split(separator: " ")
if tokens.count == 0 {
throw CalculateError.invalidInput
}
var stack = [Double]()
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else if token == "+" || token == "-" || token == "*" || token == "/" {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
switch token {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
} else {
throw CalculateError.invalidInput
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
// Example usage:
do {
let result = try calculate("2+2*2")
print(result)
} catch CalculateError.invalidInput {
print("Invalid input")
} catch {
print("Unknown error")
}
<|file_separator|>
var tokens = string.split(separator: " ") // variable 'tokens' was never mutated; consider changing to 'let' constant
// Fatal error: Error raised at top level: Solution.CalculateError.invalidInput
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
var stack = [Double]()
var tokens = string.components(separatedBy: " ")
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else if let operation = Operation(rawValue: token) {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
switch operation {
case .add:
stack.append(left + right)
case .subtract:
stack.append(left - right)
case .multiply:
stack.append(left * right)
case .divide:
stack.append(left / right)
}
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
enum Operation: String {
case add = "+"
case subtract = "-"
case multiply = "*"
case divide = "/"
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
var stack = [Double]()
var tokens = string.components(separatedBy: " ")
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else if let operation = Operation(rawValue: token) {
if stack.count < 2 {
throw CalculateError.invalidInput
}
let right = stack.removeLast()
let left = stack.removeLast()
switch operation {
case .add:
stack.append(left + right)
case .subtract:
stack.append(left - right)
case .multiply:
stack.append(left * right)
case .divide:
stack.append(left / right)
}
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
enum Operation: String {
case add = "+"
case subtract = "-"
case multiply = "*"
case divide = "/"
}
<|file_separator|>
var tokens = string.components(separatedBy: " ") // variable 'tokens' was never mutated; consider changing to 'let' constant
// Fatal error: Error raised at top level: Solution.CalculateError.invalidInput
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
var stack = [Double]()
var tokens = string.split(separator: " ")
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
if token == "+" {
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left + right)
} else if token == "-" {
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left - right)
} else if token == "*" {
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left * right)
} else if token == "/" {
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left / right)
} else if token == "(" {
// Do nothing
} else if token == ")" {
// Do nothing
} else {
throw CalculateError.invalidInput
}
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
var stack = [Double]()
var tokens = string.split(separator: " ")
for token in tokens {
if let number = Double(token) {
stack.append(number)
} else {
if token == "+" {
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left + right)
} else if token == "-" {
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left - right)
} else if token == "*" {
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left * right)
} else if token == "/" {
let right = stack.removeLast()
let left = stack.removeLast()
stack.append(left / right)
} else if token == "(" {
// Do nothing
} else if token == ")" {
// Do nothing
} else {
throw CalculateError.invalidInput
}
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.removeLast()
}
// Example usage
do {
let result = try calculate("2+2*2")
print(result)
} catch {
print("Error: \(error)")
}
<|file_separator|>
var tokens = string.split(separator: " ") // variable 'tokens' was never mutated; consider changing to 'let' constant
// Fatal error: Error raised at top level: Solution.CalculateError.invalidInput
enum CalculateError: Error {
case invalidInput
}
func calculate(_ string: String) throws -> Double {
var tokens = string.split(separator: " ")
if tokens.count == 0 {
throw CalculateError.invalidInput
}
var stack = [Double]()
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else {
let right = stack.removeLast()
let left = stack.removeLast()
switch token {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
```swift
enum CalculateError: Error {
case invalidInput
}
// Calculator which supports operations from readable string format.
// Valid tokens is "+-*/()", example input is "2+2*2".
func calculate(_ string: String) throws -> Double {
var tokens = string.split(separator: " ")
if tokens.count == 0 {
throw CalculateError.invalidInput
}
var stack = [Double]()
for token in tokens {
if let value = Double(token) {
stack.append(value)
} else {
let right = stack.removeLast()
let left = stack.removeLast()
switch token {
case "+":
stack.append(left + right)
case "-":
stack.append(left - right)
case "*":
stack.append(left * right)
case "/":
stack.append(left / right)
default:
throw CalculateError.invalidInput
}
}
}
if stack.count != 1 {
throw CalculateError.invalidInput
}
return stack.first!
}
// Example usage:
do {
let result = try calculate("2+2*2")
print(result)
} catch {
print("Error: \(error)")
}
<|file_separator|>
var tokens = string.split(separator: " ") // variable 'tokens' was never mutated; consider changing to 'let' constant
// Fatal error: Can't remove last element from an empty collection
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: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!)
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, inputFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, inputFile: String, outputFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, inputFile: String, outputFile: String, errorFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardOutput = Pipe()
task.standardError = Pipe()
task.standardOutput.fileHandleForReading.readDataToEndOfFile()
task.standardError.fileHandleForReading.readDataToEndOfFile()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!)
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, inputFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, inputFile: String, outputFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, inputFile: String, outputFile: String, errorFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardOutput = Pipe()
task.standardError = Pipe()
task.standardOutput.fileHandleForReading.readDataToEndOfFile()
task.standardError.fileHandleForReading.readDataToEndOfFile()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, inputFile: String, outputFile: String, errorFile: String, outputFile2: String, errorFile2: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.closeFile() // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.closeFile() // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.write(input.data(using: String.Encoding.utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.closeFile() // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardOutput.fileHandleForReading.readDataToEndOfFile() // value of type 'Any?' has no member 'fileHandleForReading'
task.standardError.fileHandleForReading.readDataToEndOfFile() // value of type 'Any?' has no member 'fileHandleForReading'
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, "")
}
func execute(binary: String, arguments: [String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, output: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, output: String, error: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, output: String, error: String, stdin: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, output: String, error: String, stdin: String, stdout: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, output: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, output: String, error: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, output: String, error: String, stdin: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, output: String, error: String, stdin: String, stdout: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8)!
return (output, "")
}
// Function to execute binary
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
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: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], options: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[key] = value
}
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], options: [String: String], environment: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[key] = value
}
for (key, value) in environment {
task.environment[key] = value
}
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], options: [String: String], environment: [String: String], timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[key] = value
}
for (key, value) in environment {
task.environment[key] = value
}
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], options: [String: String], environment: [String: String], timeout: Int, stdin: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[key] = value
}
for (key, value) in environment {
task.environment[key] = value
}
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.standardInput = Pipe(fileHandle: FileHandle(forReadingAtPath: "/dev/null"))
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], options: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[key] = value
}
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], options: [String: String], environment: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[key] = value
}
for (key, value) in environment {
task.environment[key] = value
}
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], options: [String: String], environment: [String: String], timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[key] = value
}
for (key, value) in environment {
task.environment[key] = value
}
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], options: [String: String], environment: [String: String], timeout: Int, stdin: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[key] = value
}
for (key, value) in environment {
task.environment[key] = value
}
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.standardInput = Pipe(fileHandle: FileHandle(forReadingAtPath: "/dev/null"))
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], options: [String: String], environment: [String: String], timeout: Int, stdin: String, stdout: String, stderr: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
for (key, value) in options {
task.environment[
task.environment[key] = value // value of optional type '[String : String]?' must be unwrapped to refer to member 'subscript' of wrapped base type '[String : String]'
task.environment[key] = value // value of optional type '[String : String]?' must be unwrapped to refer to member 'subscript' of wrapped base type '[String : String]'
task.environment[key] = value // value of optional type '[String : String]?' must be unwrapped to refer to member 'subscript' of wrapped base type '[String : String]'
task.environment[key] = value // value of optional type '[String : String]?' must be unwrapped to refer to member 'subscript' of wrapped base type '[String : String]'
task.environment[key] = value // value of optional type '[String : String]?' must be unwrapped to refer to member 'subscript' of wrapped base type '[String : String]'
task.environment[key] = value // value of optional type '[String : String]?' must be unwrapped to refer to member 'subscript' of wrapped base type '[String : String]'
task.environment[key] = value // value of optional type '[String : String]?' must be unwrapped to refer to member 'subscript' of wrapped base type '[String : String]'
task.standardInput = Pipe(fileHandle: FileHandle(forReadingAtPath: "/dev/null")) // argument passed to call that takes no arguments
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, "")
}
func execute(binary: String, arguments: [String], environment: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
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, "")
}
func execute(binary: String, arguments: [String], environment: [String: String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
let pipe = Pipe()
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null"))
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], environment: [String: String], input: String, output: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
let pipe = Pipe()
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null"))
task.standardOutput = Pipe(fileHandle: FileHandle.init(forWritingAtPath: output))
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], environment: [String: String], input: String, output: String, error: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
let pipe = Pipe()
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null"))
task.standardOutput = Pipe(fileHandle: FileHandle.init(forWritingAtPath: output))
task.standardError = Pipe(fileHandle: FileHandle.init(forWritingAtPath: error))
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], environment: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], environment: [String: String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
let pipe = Pipe()
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null"))
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], environment: [String: String], input: String, output: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
let pipe = Pipe()
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null"))
task.standardOutput = Pipe(fileHandle: FileHandle.init(forWritingAtPath: output))
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], environment: [String: String], input: String, output: String, error: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
let pipe = Pipe()
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null"))
task.standardOutput = Pipe(fileHandle: FileHandle.init(forWritingAtPath: output))
task.standardError = Pipe(fileHandle: FileHandle.init(forWritingAtPath: error))
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], environment: [String: String], input: String, output: String, error: String, timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = environment
let pipe = Pipe()
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null"))
task.standardOutput = Pipe(fileHandle: FileHandle.init(forWritingAtPath: output))
task.standardError = Pipe(
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null")) // argument passed to call that takes no arguments
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null")) // argument passed to call that takes no arguments
task.standardOutput = Pipe(fileHandle: FileHandle.init(forWritingAtPath: output)) // argument passed to call that takes no arguments
task.standardInput = Pipe(fileHandle: FileHandle.init(forReadingAtPath: "/dev/null")) // argument passed to call that takes no arguments
task.standardOutput = Pipe(fileHandle: FileHandle.init(forWritingAtPath: output)) // argument passed to call that takes no arguments
task.standardError = Pipe(fileHandle: FileHandle.init(forWritingAtPath: error)) // argument passed to call that takes no arguments
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
task.environment = env
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env: [String: String], cwd: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
task.environment = env
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, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
task.environment = env
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env: [String: String], cwd: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
task.environment = env
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env: [String: String], cwd: String, env: [String: String]) -> (String, String) {
let task = Process()
task.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env: [String: String]) -> (String, String) { // invalid redeclaration of 'env'
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env: [String: String], cwd: String) -> (String, String) { // invalid redeclaration of 'cwd'
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env: [String: String], cwd: String) -> (String, String) { // invalid redeclaration of 'env'
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: String.Encoding.utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, inputFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardInput.fileHandleForReading.closeFile()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], input: String, inputFile: String, outputFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardInput.fileHandleForReading.closeFile()
task.standardOutput = Pipe()
task.standardError = Pipe()
task.standardOutput.fileHandleForReading.closeFile()
task.standardError.fileHandleForReading.closeFile()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, inputFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardInput.fileHandleForReading.closeFile()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, inputFile: String, outputFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardInput.fileHandleForReading.closeFile()
task.standardOutput = Pipe()
task.standardError = Pipe()
task.standardOutput.fileHandleForReading.closeFile()
task.standardError.fileHandleForReading.closeFile()
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], input: String, inputFile: String, outputFile: String, errorFile: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
let pipe = Pipe()
task.standardInput = Pipe()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!)
task.standardInput.fileHandleForWriting.closeFile()
task.standardInput.fileHandleForReading.closeFile()
task.standardOutput = Pipe()
task.standardError = Pipe()
task.standardOutput.fileHandleForReading.closeFile()
task.standardError.fileHandleForReading.closeFile()
task.standardOutput.fileHandleForWriting.write(outputFile.data(using: .utf8)!)
task.standardError.fileHandleForWriting.write(errorFile.data(using: .utf8)!)
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.closeFile() // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForReading.closeFile() // value of type 'Any?' has no member 'fileHandleForReading'
task.standardInput.fileHandleForWriting.write(input.data(using: .utf8)!) // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForWriting.closeFile() // value of type 'Any?' has no member 'fileHandleForWriting'
task.standardInput.fileHandleForReading.closeFile() // value of type 'Any?' has no member 'fileHandleForReading'
task.standardOutput.fileHandleForReading.closeFile() // value of type 'Any?' has no member 'fileHandleForReading'
task.standardError.fileHandleForReading.closeFile() // value of type 'Any?' has no member 'fileHandleForReading'
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardInput = pipe
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
pipe.fileHandleForWriting.write(input.data(using: .utf8)!)
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], input: String, output: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardInput = pipe
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
pipe.fileHandleForWriting.write(input.data(using: .utf8)!)
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], input: String, output: String, error: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardInput = pipe
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
pipe.fileHandleForWriting.write(input.data(using: .utf8)!)
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], input: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardInput = pipe
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
pipe.fileHandleForWriting.write(input.data(using: .utf8)!)
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], input: String, output: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardInput = pipe
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
pipe.fileHandleForWriting.write(input.data(using: .utf8)!)
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], input: String, output: String, error: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardInput = pipe
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
pipe.fileHandleForWriting.write(input.data(using: .utf8)!)
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], input: String, output: String, error: String, timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardInput = pipe
task.standardOutput = Pipe()
task.standardError = Pipe()
task.launch()
pipe.fileHandleForWriting.write(input.data(using: .utf8)!)
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: .utf8) ?? ""
return
// XCTAssertTrue failed
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: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env2: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
task.environment = env2
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env2: [String: String], env3: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
task.environment = env2
task.environment = env3
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env2: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
task.environment = env2
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env2: [String: String], env3: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
task.environment = env2
task.environment = env3
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8)!
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, cwd: String, env2
// XCTAssertTrue failed
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: String.Encoding.utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, stdin: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.standardInput = stdin.data(using: String.Encoding.utf8)
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, stdin: String, stdout: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.standardInput = stdin.data(using: String.Encoding.utf8)
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, stdin: String, stdout: String, stderr: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.standardInput = stdin.data(using: String.Encoding.utf8)
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, stdin: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.standardInput = stdin.data(using: String.Encoding.utf8)
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, stdin: String, stdout: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.standardInput = stdin.data(using: String.Encoding.utf8)
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout: Int, stdin: String, stdout: String, stderr: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
let pipe = Pipe()
task.standardOutput = pipe
task.standardError = pipe
task.standardInput = stdin.data(using: String.Encoding.utf8)
task.launch()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
let output = String(data: data, encoding: String.Encoding.utf8) ?? ""
return (output, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], timeout
// XCTAssertTrue failed
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], cwd: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], cwd: String, timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], cwd: String, timeout: Int, stdin: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
func execute(binary: String, arguments: [String], env: [String: String], cwd: String, timeout: Int, stdin: String, stdout: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
```swift
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String]) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], cwd: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], cwd: String, timeout: Int) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], cwd: String, timeout: Int, stdin: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], cwd: String, timeout: Int, stdin: String, stdout: String) -> (String, String) {
let task = Process()
task.launchPath = binary
task.arguments = arguments
task.environment = env
task.currentDirectoryPath = cwd
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, "")
}
// Function to execute binary with arguments.
// Returns tuple where first element is stdout and second is stderr.
func execute(binary: String, arguments: [String], env: [String: String], cwd: String, timeout: Int, stdin: String, stdout: String, stderr: String) -> (String, String) {
let task = Process()
task.launchPath = binary
// XCTAssertTrue failed
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Example usage:
let fibonacci = memoize { n in
if n <= 1 {
return n
} else {
return fibonacci(n - 1) + fibonacci(n - 2)
}
}
// Call the memoized function
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
print(fibonacci(10)) // Output: 55
<|file_separator|>
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Example usage:
let memoizedFibonacci = memoize { n in
if n <= 1 {
return n
} else {
return memoizedFibonacci(n - 1) + memoizedFibonacci(n - 2)
}
}
// Call memoizedFibonacci with different inputs to see the cache effect.
memoizedFibonacci(10) // 55
memoizedFibonacci(15) // 610
memoizedFibonacci(20) // 6765
<|file_separator|>
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache: [T: U] = [:]
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Example usage:
let memoizedFibonacci = memoize { n in
if n <= 1 {
return n
} else {
return memoizedFibonacci(n - 1) + memoizedFibonacci(n - 2)
}
}
// Call memoizedFibonacci to get the 10th Fibonacci number
let fibonacci10 = memoizedFibonacci(10)
print(fibonacci10) // Output: 55
<|file_separator|>
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Memoization function that caches the results of expensive computations.
func
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
<|file_separator|>
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
```swift
// Memoization function that caches the results of expensive computations.
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
var cache = [T: U]()
return {
if let result = cache[$0] {
return result
} else {
let result = function($0)
cache[$0] = result
return result
}
}
}
// Example usage:
let memoizedFibonacci = memoize { (n: Int) -> Int in
if n <= 1 {
return n
}
return memoizedFibonacci(n - 1) + memoizedFibonacci(n - 2)
}
// Call memoizedFibonacci to compute the 10th Fibonacci number.
memoizedFibonacci(10) // Output: 55
<|file_separator|>
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
<|file_separator|>
error = error // cannot assign to value: 'error' is immutable
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var attempts = attempts
var result: Result<T, Error>
repeat {
do {
result = .success(try task())
} catch {
if attempts == 1 {
result = .failure(error)
} else {
attempts -= 1
}
}
} while case .failure(let error) = result
return try result.get()
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var attempts = attempts
var result: Result<T, Error>
repeat {
do {
result = .success(try task())
} catch {
if attempts == 1 {
result = .failure(error)
} else {
attempts -= 1
}
}
} while case .failure(let error) = result
return try result.get()
}
<|file_separator|>
} while case .failure(let error) = result // 'case' label can only appear inside a 'switch' statement
} while case .failure(let error) = result // expected expression in 'repeat-while' condition
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
<|file_separator|>
error = error // cannot assign to value: 'error' is immutable
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
<|file_separator|>
error = error // cannot assign to value: 'error' is immutable
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: Result<T, Error>
for _ in 0..<attempts {
do {
result = .success(try task())
break
} catch {
result = .failure(error)
}
}
return try result.get()
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: Result<T, Error>
for _ in 0..<attempts {
do {
result = .success(try task())
break
} catch {
result = .failure(error)
}
}
return try result.get()
}
<|file_separator|>
return try result.get() // variable 'result' used before being initialized
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
<|file_separator|>
error = error // cannot assign to value: 'error' is immutable
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
<|file_separator|>
error = error // cannot assign to value: 'error' is immutable
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
<|file_separator|>
error = error // cannot assign to value: 'error' is immutable
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var result: T?
var error: Error?
for _ in 0..<attempts {
do {
result = try task()
break
} catch {
error = error
}
}
if let error = error {
throw error
}
return result!
}
<|file_separator|>
error = error // cannot assign to value: 'error' is immutable
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var attempts = attempts
var result: T?
repeat {
do {
result = try task()
break
} catch {
if attempts == 1 {
throw error
}
attempts -= 1
}
} while attempts > 0
return result!
}
```swift
// Retry mechanism that retries a task a specified number of times before failing.
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
var attempts = attempts
var result: T?
repeat {
do {
result = try task()
break
} catch {
if attempts == 1 {
throw error
}
attempts -= 1
}
} while attempts > 0
return result!
}
<|file_separator|>
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
<|file_separator|>
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
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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
}
}
<|file_separator|>
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
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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
}
}
// Example usage:
let container = DIContainer()
container.register(Calculator.self) {
Calculator()
}
let calculator = container.resolve(Calculator.self)
calculator?.add(1, 2)
<|file_separator|>
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
// Example usage:
let container = DIContainer()
container.register(Calculator.self) { Calculator() }
container.register(Calculator.self) { Calculator() }
let calculator1 = container.resolve(Calculator.self)
let calculator2 = container.resolve(Calculator.self)
print(calculator1 === calculator2) // true
<|file_separator|>
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
// Example usage:
let container = DIContainer()
container.register(Calculator.self) {
Calculator()
}
let calculator = container.resolve(Calculator.self)
calculator?.add(1, 2)
<|file_separator|>
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
// Example usage:
let container = DIContainer()
container.register(Calculator.self) { Calculator() }
container.register(Calculator.self) { Calculator() }
container.register(Calculator.self) { Calculator() }
let calculator1 = container.resolve(Calculator.self)
let calculator2 = container.resolve(Calculator.self)
let calculator3 = container.resolve(Calculator.self)
print(calculator1 === calculator2) // true
print(calculator2 === calculator3) // true
<|file_separator|>
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
// Example usage:
let container = DIContainer()
container.register(Calculator.self) { Calculator() }
container.register(Logger.self) { Logger() }
let calculator = container.resolve(Calculator.self)
let logger = container.resolve(Logger.self)
calculator.add(1, 2)
logger.log("Addition result: \(calculator.result)")
<|file_separator|>
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
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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
}
}
<|file_separator|>
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
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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
}
}
// Example usage:
let container = DIContainer()
container.register(Calculator.self) { Calculator() }
container.register(Calculator.self) { Calculator() }
container.register(Calculator.self) { Calculator() }
let calculator1 = container.resolve(Calculator.self)
let calculator2 = container.resolve(Calculator.self)
let calculator3 = container.resolve(Calculator.self)
print(calculator1 === calculator2) // true
print(calculator2 === calculator3) // true
<|file_separator|>
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
```swift
protocol DIContainerProtocol {
func register<T>(_ type: T.Type, factory: @escaping () -> T)
func resolve<T>(_ type: T.Type) -> T?
}
// Simple dependency injection (DI) container.
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? {
if let factory = factories[String(describing: type)] {
return factory() as? T
}
return nil
}
}
// Example usage:
let container = DIContainer()
container.register(String.self) { "Hello, world!" }
let message = container.resolve(String.self)
print(message) // Output: "Hello, world!"
<|file_separator|>
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 transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
if let nextState = transitions[currentState, default: [:]][event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
if let nextState = transitions[currentState, default: [:]][event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .state1)
stateMachine.registerTransition(from: .state1, to: .state2, event: .event1)
stateMachine.trigger(event: .event1)
print(stateMachine.state) // Output: .state2
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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 transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition not found for state \(currentState) and event \(event)")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition not found for state \(currentState) and event \(event)")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .state1)
stateMachine.registerTransition(from: .state1, to: .state2, event: .event1)
stateMachine.trigger(event: .event1)
print(stateMachine.state) // Output: .state2
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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]] = [:]
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("No transition found for state \(currentState) and event \(event)")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("No transition found for state \(currentState) and event \(event)")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .idle)
// Register transitions
stateMachine.registerTransition(from: .idle, to: .loading, event: .start)
stateMachine.registerTransition(from: .loading, to: .idle, event: .cancel)
// Trigger transitions
stateMachine.trigger(event: .start) // Transition to loading state
stateMachine.trigger(event: .cancel) // Transition to idle state
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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 transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
if let nextState = transitions[currentState, default: [:]][event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
if let nextState = transitions[currentState, default: [:]][event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .state1)
stateMachine.registerTransition(from: .state1, to: .state2, event: .event1)
stateMachine.trigger(event: .event1)
print(stateMachine.state) // Output: .state2
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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]] = [:]
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition from \(currentState) to \(event) is not registered.")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]] = [:]
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition from \(currentState) to \(event) is not registered.")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .state1)
stateMachine.registerTransition(from: .state1, to: .state2, event: .event1)
stateMachine.trigger(event: .event1)
print(stateMachine.state) // Output: .state2
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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 transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
if let nextState = transitions[currentState, default: [:]][event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
if let nextState = transitions[currentState, default: [:]][event] {
currentState = nextState
}
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .idle)
stateMachine.registerTransition(from: .idle, to: .loading, event: .start)
stateMachine.registerTransition(from: .loading, to: .idle, event: .stop)
stateMachine.trigger(event: .start) // Transition to loading state
print(stateMachine.state) // Output: loading
stateMachine.trigger(event: .stop) // Transition to idle state
print(stateMachine.state) // Output: idle
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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]]
init(state: State) {
self.currentState = state
self.transitions = [:]
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition from state \(currentState) to event \(event) not found.")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var currentState: State
private var transitions: [State: [Event: State]]
init(state: State) {
self.currentState = state
self.transitions = [:]
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition from state \(currentState) to event \(event) not found.")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .state1)
stateMachine.registerTransition(from: .state1, to: .state2, event: .event1)
stateMachine.trigger(event: .event1)
print(stateMachine.state) // Output: state2
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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 transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition from \(currentState) to \(event) is not registered.")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition from \(currentState) to \(event) is not registered.")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .idle)
stateMachine.registerTransition(from: .idle, to: .loading, event: .start)
stateMachine.registerTransition(from: .loading, to: .idle, event: .cancel)
stateMachine.trigger(event: .start)
print(stateMachine.state) // Output: loading
stateMachine.trigger(event: .cancel)
print(stateMachine.state) // Output: idle
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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 transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition not found for state \(currentState) and event \(event)")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
private var transitions: [State: [Event: State]] = [:]
private var currentState: State
init(state: State) {
self.currentState = state
}
var state: State {
get {
return currentState
}
}
func trigger(event: Event) {
guard let nextState = transitions[currentState, default: [:]][event] else {
fatalError("Transition not found for state \(currentState) and event \(event)")
}
currentState = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .state1)
stateMachine.registerTransition(from: .state1, to: .state2, event: .event1)
stateMachine.registerTransition(from: .state2, to: .state3, event: .event2)
stateMachine.trigger(event: .event1) // Transition to state2
stateMachine.trigger(event: .event2) // Transition to state3
print(stateMachine.state) // Output: state3
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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 {
var state: State
private var transitions: [State: [Event: State]] = [:]
init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state, default: [:]][event] else {
fatalError("No transition found for state \(state) and event \(event)")
}
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
```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)
}
// Finite state machine with possibility to register custom transitions between states.
class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
var state: State
private var transitions: [State: [Event: State]] = [:]
init(state: State) {
self.state = state
}
func trigger(event: Event) {
guard let nextState = transitions[state, default: [:]][event] else {
fatalError("No transition found for state \(state) and event \(event)")
}
state = nextState
}
func registerTransition(from: State, to: State, event: Event) {
transitions[from, default: [:]][event] = to
}
}
// Example usage:
let stateMachine = StateMachine(state: .idle)
stateMachine.registerTransition(from: .idle, to: .working, event: .start)
stateMachine.registerTransition(from: .working, to: .idle, event: .stop)
stateMachine.trigger(event: .start)
print(stateMachine.state) // Output: working
stateMachine.trigger(event: .stop)
print(stateMachine.state) // Output: idle
<|file_separator|>
init(state: State) { // initializer requirement 'init(state:)' can only be satisfied by a 'required' initializer in non-final class 'StateMachine<State, Event>'
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 name, let size):
return size
case .directory(let name, let contents):
return contents.map { $0.totalSize }.reduce(0, +)
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.filesCount }.reduce(0, +)
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return 1 + contents.map { $0.treeDepth }.max()!
}
}
}
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
}
class FileSystemTreeBuilder {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemNode {
root
}
}
class FileSystemMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func calculate() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
}
}
class FileSystemTreeBuilderAndMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.map { $0.totalSize }.reduce(0, +)
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.filesCount }.reduce(0, +)
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return 1 + contents.map { $0.treeDepth }.max()!
}
}
}
// File system manager.
// Used to create file system tree and calculate total size of all files in file system.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
}
// File system tree builder.
// Used to create file system tree.
class FileSystemTreeBuilder {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemNode {
root
}
}
// File system metadata calculator.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func calculate() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
}
}
// File system tree builder and metadata calculator.
// Used to create file system tree and calculate total size of all files in file system.
class FileSystemTreeBuilderAndMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
}
}
// File system tree builder and metadata calculator.
// Used to create file system tree and calculate total size of all files in file system.
class FileSystemTreeBuilderAndMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
}
}
// File system tree builder and metadata calculator.
// Used to create file system tree and calculate total size of all files in file system.
class FileSystemTreeBuilderAndMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
}
}
// File system tree builder and metadata calculator.
// Used to create file system tree and calculate total size of all files in file system.
class FileSystemTreeBuilderAndMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
}
}
// File system tree builder and metadata calculator.
// Used to create file system tree and calculate total size of all files in file system.
class FileSystemTreeBuilderAndMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
}
}
// File system tree builder and metadata calculator.
// Used to create file system tree and calculate total size of all files in file system.
class FileSystemTreeBuilderAndMetadataCalculator {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func build() -> FileSystemInfo {
root.totalSize
root.filesCount
root.treeDepth
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
root.totalSize // expression of type 'Int' is unused
root.filesCount // expression of type 'Int' is unused
root.treeDepth // expression of type 'Int' is unused
} // missing return in instance method expected to return 'any FileSystemInfo'
root.totalSize // expression of type 'Int' is unused
root.filesCount // expression of type 'Int' is unused
root.treeDepth // expression of type 'Int' is unused
} // missing return in instance method expected to return 'any FileSystemInfo'
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 name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) {
max($0, $1.treeDepth)
} + 1
}
}
}
extension FileSystemNode {
static func calculateMetadata(for root: FileSystemNode) -> FileSystemInfo {
switch root {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { calculateMetadata(for: $0) })
}
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) {
max($0, $1.treeDepth)
} + 1
}
}
}
// Concrete file system manager.
// Used to calculate total size of all files in file system, files count and file system tree depth.
extension FileSystemNode {
static func calculateMetadata(for root: FileSystemNode) -> FileSystemInfo {
switch root {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { calculateMetadata(for: $0) })
}
}
}
// Example usage.
let root = FileSystemNode.directory(
name: "root",
contents: [
.directory(name: "dir1", contents: [
.file(name: "file1", size: 100),
.file(name: "file2", size: 200),
.directory(name: "dir2", contents: [
.file(name: "file3", size: 300),
.file(name: "file4", size: 400),
]),
]),
.file(name: "file5", size: 500),
.file(name: "file6", size: 600),
]
)
let metadata = FileSystemNode.calculateMetadata(for: root)
print("Total size:", metadata.totalSize)
print("Files count:", metadata.filesCount)
print("Tree depth:", metadata.treeDepth)
<|file_separator|>
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
return .file(name: name, size: size) // type 'any FileSystemInfo' has no member 'file'
return .directory(name: name, contents: contents.map { calculateMetadata(for: $0) }) // type 'any FileSystemInfo' has no member 'directory'
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 name, let size):
return size
case .directory(let name, let contents):
return contents.map { $0.totalSize }.reduce(0, +)
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.filesCount }.reduce(0, +)
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.treeDepth }.max() ?? 1
}
}
}
extension FileSystemNode {
func calculateMetadata() -> FileSystemInfo {
switch self {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { $0.calculateMetadata() })
}
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.map { $0.totalSize }.reduce(0, +)
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.filesCount }.reduce(0, +)
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.treeDepth }.max() ?? 1
}
}
}
// File system manager.
// Used to calculate total size of all files in file system, files count and file system tree depth.
extension FileSystemNode {
func calculateMetadata() -> FileSystemInfo {
switch self {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { $0.calculateMetadata() })
}
}
}
// File system manager.
// Used to calculate total size of all files in file system, files count and file system tree depth.
extension FileSystemNode {
func calculateMetadata() -> FileSystemInfo {
switch self {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { $0.calculateMetadata() })
}
}
}
// File system manager.
// Used to calculate total size of all files in file system, files count and file system tree depth.
extension FileSystemNode {
func calculateMetadata() -> FileSystemInfo {
switch self {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { $0.calculateMetadata() })
}
}
}
// File system manager.
// Used to calculate total size of all files in file system, files count and file system tree depth.
extension FileSystemNode {
func calculateMetadata() -> FileSystemInfo {
switch self {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { $0.calculateMetadata() })
}
}
}
// File system manager.
// Used to calculate total size of all files in file system, files count and file system tree depth.
extension FileSystemNode {
func calculateMetadata() -> FileSystemInfo {
switch self {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { $0.calculateMetadata() })
}
}
}
// File system manager.
// Used to calculate total size of all files in file system, files count and file system tree depth.
extension FileSystemNode {
func calculateMetadata() -> FileSystemInfo {
switch self {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { $0.calculateMetadata() })
}
}
}
// File system manager.
// Used to calculate total size of all files in file system, files count and file system tree depth.
extension FileSystemNode {
func calculateMetadata() -> FileSystemInfo {
switch self {
case .file(let name, let size):
return .file(name: name, size: size)
case .directory(let name, let contents):
return .directory(name: name, contents: contents.map { $0.calculateMetadata() })
}
}
}
// File system manager.
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
return .file(name: name, size: size) // type 'any FileSystemInfo' has no member 'file'
return .directory(name: name, contents: contents.map { $0.calculateMetadata() }) // type 'any FileSystemInfo' has no member 'directory'
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 name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) {
let depth = $1.treeDepth
return max(depth, $0)
}
}
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) {
let depth = $1.treeDepth
return max(depth, $0)
}
}
}
}
// Example usage:
let fileSystem = [
.directory(name: "root", contents: [
.directory(name: "dir1", contents: [
.file(name: "file1", size: 100),
.file(name: "file2", size: 200),
]),
.directory(name: "dir2", contents: [
.file(name: "file3", size: 300),
.file(name: "file4", size: 400),
]),
]),
]
let fileSystemInfo = FileSystemInfo(fileSystem)
print("Total size:", fileSystemInfo.totalSize)
print("Files count:", fileSystemInfo.filesCount)
print("Tree depth:", fileSystemInfo.treeDepth)
<|file_separator|>
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
// XCTAssertEqual failed: (0) is not equal to (1)
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 name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
// XCTAssertEqual failed: (0) is not equal to (1)
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 name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 0
case .directory(let name, let contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
extension FileSystemInfo {
var totalSize: Int {
return self.filesCount == 0 ? 0 : self.totalSize
}
var filesCount: Int {
return self.treeDepth == 0 ? 1 : 0
}
var treeDepth: Int {
return 0
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 0
case .directory(let name, let contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
// 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.
extension FileSystemInfo {
var totalSize: Int {
return self.filesCount == 0 ? 0 : self.totalSize
}
var filesCount: Int {
return self.treeDepth == 0 ? 1 : 0
}
var treeDepth: Int {
return 0
}
}
// 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.
extension FileSystemInfo {
var totalSize: Int {
return self.filesCount == 0 ? 0 : self.totalSize
}
var filesCount: Int {
return self.treeDepth == 0 ? 1 : 0
}
var treeDepth: Int {
return 0
}
}
// 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.
extension FileSystemInfo {
var totalSize: Int {
return self.filesCount == 0 ? 0 : self.totalSize
}
var filesCount: Int {
return self.treeDepth == 0 ? 1 : 0
}
var treeDepth: Int {
return 0
}
}
// 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.
extension FileSystemInfo {
var totalSize: Int {
return self.filesCount == 0 ? 0 : self.totalSize
}
var filesCount: Int {
return self.treeDepth == 0 ? 1 : 0
}
var treeDepth: Int {
return 0
}
}
// 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.
extension FileSystemInfo {
var totalSize: Int {
return self.filesCount == 0 ? 0 : self.totalSize
}
var filesCount: Int {
return self.treeDepth == 0 ? 1 : 0
}
var treeDepth: Int {
return 0
}
}
// 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.
extension FileSystemInfo {
var totalSize: Int {
return self.filesCount == 0 ? 0 : self.totalSize
}
var filesCount: Int {
return self.treeDepth == 0 ? 1 : 0
}
var treeDepth: Int {
return 0
}
}
// 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.
extension FileSystemInfo {
var totalSize: Int {
return self.filesCount == 0 ? 0 : self.totalSize
}
var filesCount: Int {
return self.treeDepth == 0 ? 1 : 0
}
var treeDepth: Int {
return 0
}
}
// 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.
extension FileSystemInfo {
var totalSize
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
// XCTAssertEqual failed: (3) is not equal to (4)
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 name, let size):
return size
case .directory(let name, let contents):
return contents.map { $0.totalSize }.reduce(0, +)
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.filesCount }.reduce(0, +)
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.treeDepth }.max() ?? 1
}
}
}
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.map { $0.totalSize }.reduce(0, +)
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.filesCount }.reduce(0, +)
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.map { $0.treeDepth }.max() ?? 1
}
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
root.totalSize
}
func filesCount() -> Int {
root.filesCount
}
func treeDepth() -> Int {
root.treeDepth
}
}
// Example usage:
let root = FileSystemNode.directory(name: "root", contents: [
FileSystemNode.file(name: "file1", size: 100),
FileSystemNode.directory(name: "dir1", contents: [
FileSystemNode.file(name: "file2", size: 50),
FileSystemNode.file(name: "file3", size: 200)
])
])
let fileSystemManager = FileSystemManager(root: root)
print("Total size:", fileSystemManager.totalSize())
print("Files count:", fileSystemManager.filesCount())
print("Tree depth:", fileSystemManager.treeDepth())
<|file_separator|>
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
// XCTAssertEqual failed: (1) is not equal to (4)
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 name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return 1 + contents.reduce(0) { $0 + $1.treeDepth }
}
}
}
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return 1 + contents.reduce(0) { $0 + $1.treeDepth }
}
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
// XCTAssertEqual failed: (6) is not equal to (4)
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 name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return 1 + contents.reduce(0) { $0 + $1.treeDepth }
}
}
}
class FileSystemManager {
private var root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return 1 + contents.reduce(0) { $0 + $1.treeDepth }
}
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private var root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private var root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private var root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private var root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private var root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private var root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private var root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
// XCTAssertEqual failed: (6) is not equal to (4)
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 name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
```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 }
}
// 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.
extension FileSystemNode: FileSystemInfo {
var totalSize: Int {
switch self {
case .file(let name, let size):
return size
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.totalSize }
}
}
var filesCount: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return contents.reduce(0) { $0 + $1.filesCount }
}
}
var treeDepth: Int {
switch self {
case .file(let name, _):
return 1
case .directory(let name, let contents):
return 1 + contents.reduce(0) { max($0, $1.treeDepth) }
}
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return root.filesCount
}
func treeDepth() -> Int {
return root.treeDepth
}
}
// File system manager implementation.
// Used to calculate total size of all files in file system, files count and file system tree depth.
class FileSystemManager {
private let root: FileSystemNode
init(root: FileSystemNode) {
self.root = root
}
func totalSize() -> Int {
return root.totalSize
}
func filesCount() -> Int {
return
case .file(let name, let size): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .file(let name, _): // immutable value 'name' was never used; consider replacing with '_' or removing it
case .directory(let name, let contents): // immutable value 'name' was never used; consider replacing with '_' or removing it
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
}
func size() -> Int {
// Return the number of elements in the elements array.
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
}
func size() -> Int {
// Return the number of elements in the elements array.
}
func top() -> Element? {
// Return the last element from the elements array without removing it.
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
}
}
// Generic stack with push, pop, peek, isEmpty, and size functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
}
func size() -> Int {
// Return the number of elements in the elements array.
}
}
// Generic stack with push, pop, peek, isEmpty, size, and top functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
}
func size() -> Int {
// Return the number of elements in the elements array.
}
func top() -> Element? {
// Return the last element from the elements array without removing it.
}
}
// Generic stack with push, pop, peek, isEmpty, size, top, and toArray functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
}
func size() -> Int {
// Return the number of elements in the elements array.
}
func top() -> Element? {
// Return the last element from the elements array without removing it.
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
}
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func toArray() -> [Element] {
return elements
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
}
// Generic stack with push, pop, peek, isEmpty, and count functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
}
// Generic stack with push, pop, peek, isEmpty, count, and top functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, and toArray functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func toArray() -> [Element] {
return elements
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, toArray, and toDictionary functions.
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func toArray() -> [Element] {
return elements
}
func toDictionary()
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack6<Element>'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
func top() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
}
// Generic stack with push, pop, peek, isEmpty, and count functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
}
// Generic stack with push, pop, peek, isEmpty, count, and top functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
func top() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, and bottom functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
func top() -> Element? {
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func toArray() -> [Element] {
return elements
}
}
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func toArray() -> [Element] {
return elements
}
func clear() {
elements.removeAll()
}
}
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func toArray() -> [Element] {
return elements
}
func clear() {
elements.removeAll()
}
func contains(_ element: Element) -> Bool {
return elements.contains(element)
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
}
// Generic stack with push, pop, peek, isEmpty, and count functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
}
// Generic stack with push, pop, peek, isEmpty, count, and toArray functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func toArray() -> [Element] {
return elements
}
}
// Generic stack with push, pop, peek, isEmpty, count, toArray, and clear functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func toArray() -> [Element] {
return elements
}
func clear() {
elements.removeAll()
}
}
// Generic stack with push, pop, peek, isEmpty, count, toArray, clear, and contains functions.
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func toArray() -> [Element] {
return elements
}
func clear() {
elements.removeAll()
}
func contains(_ element: Element) -> Bool {
return elements.contains(element)
}
}
// Generic stack with push, pop, peek, isEmpty, count, toArray, clear, contains, and remove functions.
class Stack8<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack6<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack7<Element>'
return elements.contains(element) // missing argument label 'where:' in call
return elements.contains(element) // cannot convert value of type 'Element' to expected argument type '(Element) throws -> Bool'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
}
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func bottom() -> Element? {
return elements.first
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
}
// Generic stack with push, pop, peek, isEmpty, and count functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
}
// Generic stack with push, pop, peek, isEmpty, count, and top functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, and bottom functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func bottom() -> Element? {
return elements.first
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, bottom, and toArray functions.
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func bottom() -> Element? {
return elements.first
}
func toArray()
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack6<Element>'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func count() -> Int {
elements.count
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func count() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
}
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func count() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
func bottom() -> Element? {
elements.first
}
}
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func count() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
func bottom() -> Element? {
elements.first
}
func contains(_ element: Element) -> Bool {
elements.contains(element)
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
}
// Generic stack with push, pop, peek, isEmpty, and count functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func count() -> Int {
elements.count
}
}
// Generic stack with push, pop, peek, isEmpty, count, and top functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func count() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, and bottom functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func count() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
func bottom() -> Element? {
elements.first
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, bottom, and contains functions.
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func count() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
func bottom() -> Element? {
elements.first
}
func contains(_ element: Element) -> Bool {
elements.contains(element)
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, bottom, contains, and toArray functions.
class Stack8<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack6<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack7<Element>'
elements.contains(element) // missing argument label 'where:' in call
elements.contains(element) // cannot convert value of type 'Element' to expected argument type '(Element) throws -> Bool'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func size() -> Int {
elements.count
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func size() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
}
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func size() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
func bottom() -> Element? {
elements.first
}
}
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func size() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
func bottom() -> Element? {
elements.first
}
func clear() {
elements.removeAll()
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
}
// Generic stack with push, pop, peek, isEmpty, and size functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func size() -> Int {
elements.count
}
}
// Generic stack with push, pop, peek, isEmpty, size, and top functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func size() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
}
// Generic stack with push, pop, peek, isEmpty, size, top, and bottom functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func size() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
func bottom() -> Element? {
elements.first
}
}
// Generic stack with push, pop, peek, isEmpty, size, top, bottom, and clear functions.
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element? {
elements.last
}
func isEmpty() -> Bool {
elements.isEmpty
}
func size() -> Int {
elements.count
}
func top() -> Element? {
elements.last
}
func bottom() -> Element? {
elements.first
}
func clear() {
elements.removeAll()
}
}
// Generic stack with push, pop, peek, isEmpty, size, top, bottom, clear, and contains functions.
class Stack8<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
elements.popLast()
}
func peek() -> Element?
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack6<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack7<Element>'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
}
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func bottom() -> Element? {
return elements.first
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
}
// Generic stack with push, pop, peek, isEmpty, and count functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
}
// Generic stack with push, pop, peek, isEmpty, count, and top functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, and bottom functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func bottom() -> Element? {
return elements.first
}
}
// Generic stack with push, pop, peek, isEmpty, count, top, bottom, and middle functions.
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
func peek() -> Element? {
return elements.last
}
func isEmpty() -> Bool {
return elements.isEmpty
}
func count() -> Int {
return elements.count
}
func top() -> Element? {
return elements.last
}
func bottom() -> Element? {
return elements.first
}
func middle()
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack6<Element>'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack8<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack9<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack10<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack11<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
class Stack12<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack7<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack8<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack9<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack10<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack11<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack12<Element>: StackProtocol {
private var elements: [Element] = []
init() {}
func push(_ element: Element) {
elements.append(element)
}
func pop() -> Element? {
return elements.popLast()
}
}
// Generic stack with push and pop functions.
class Stack13<
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack6<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack7<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack8<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack9<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack10<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack11<Element>'
init() {} // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack12<Element>'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
}
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
}
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
}
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
}
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
func toArray() -> [Element] {
// Return a copy of the elements array.
return []
}
}
```swift
protocol StackProtocol {
associatedtype Element
init()
func push(_ element: Element)
func pop() -> Element?
}
// Generic stack with push and pop functions.
class Stack<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
}
// Generic stack with push, pop, and peek functions.
class Stack2<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
}
// Generic stack with push, pop, peek, and isEmpty functions.
class Stack3<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
}
// Generic stack with push, pop, peek, isEmpty, and count functions.
class Stack4<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
}
// Generic stack with push, pop, peek, isEmpty, count, and toArray functions.
class Stack5<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
func toArray() -> [Element] {
// Return a copy of the elements array.
return []
}
}
// Generic stack with push, pop, peek, isEmpty, count, toArray, and clear functions.
class Stack6<Element>: StackProtocol {
private var elements: [Element] = []
init() {
// Initialize the elements array.
}
func push(_ element: Element) {
// Add the element to the elements array.
}
func pop() -> Element? {
// Remove and return the last element from the elements array.
return nil
}
func peek() -> Element? {
// Return the last element from the elements array without removing it.
return nil
}
func isEmpty() -> Bool {
// Check if the elements array is empty.
return true
}
func count() -> Int {
// Return the number of elements in the elements array.
return 0
}
func toArray() -> [Element] {
// Return
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack2<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack3<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack4<Element>'
init() { // initializer requirement 'init()' can only be satisfied by a 'required' initializer in non-final class 'Stack5<Element>'
var stack = Stack<Int>() // variable 'stack' was never mutated; consider changing to 'let' constant
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Value] = [:]
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if leastRecentlyUsed.count == capacity {
leastRecentlyUsed.removeFirst()
}
leastRecentlyUsed.append(key)
cache[key] = newValue
} else {
cache.removeValue(Harrison: key)
}
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Value] = [:]
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if leastRecentlyUsed.count == capacity {
leastRecentlyUsed.removeFirst()
}
leastRecentlyUsed.append(key)
cache[key] = newValue
} else {
cache.removeValue(Harrison: key)
}
}
}
}
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
cache.removeValue(Harrison: key) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var storage: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = storage[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = storage[key] {
storage[key] = newValue
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
} else {
if storage.count == capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeFirst()
storage.removeValue(Harrison: leastRecentlyUsedKey)
}
storage[key] = newValue
leastRecentlyUsed.append(key)
}
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var storage: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = storage[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = storage[key] {
storage[key] = newValue
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
} else {
if storage.count == capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeFirst()
storage.removeValue(Harrison: leastRecentlyUsedKey)
}
storage[key] = newValue
leastRecentlyUsed.append(key)
}
}
}
}
// Example usage:
let cache = Cache<String, String>(capacity: 3)
cache["apple"] = "A fruit"
cache["banana"] = "A yellow fruit"
cache["orange"] = "A citrus fruit"
cache["grape"] = "A small fruit"
print(cache["apple"]) // Prints "A fruit"
print(cache["banana"]) // Prints "A yellow fruit"
print(cache["orange"]) // Prints "A citrus fruit"
print(cache["grape"]) // Prints "A small fruit"
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
storage.removeValue(Harrison: leastRecentlyUsedKey) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Value] = [:]
private var accessOrder: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
accessOrder.remove(at: accessOrder.firstIndex(of: key)!)
accessOrder.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if accessOrder.count == capacity {
let leastRecentlyUsedKey = accessOrder.first!
accessOrder.removeFirst()
cache.removeValue(Harrison: leastRecentlyUsedKey)
}
accessOrder.append(key)
cache[key] = newValue
}
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Value] = [:]
private var accessOrder: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
accessOrder.remove(at: accessOrder.firstIndex(of: key)!)
accessOrder.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if accessOrder.count == capacity {
let leastRecentlyUsedKey = accessOrder.first!
accessOrder.removeFirst()
cache.removeValue(Harrison: leastRecentlyUsedKey)
}
accessOrder.append(key)
cache[key] = newValue
}
}
}
}
// Example usage:
let cache = Cache<String, Int>(capacity: 3)
cache["apple"] = 10
cache["banana"] = 20
cache["cherry"] = 30
cache["apple"] = 40
print(cache["apple"]) // Output: 40
print(cache["banana"]) // Output: 20
print(cache["cherry"]) // Output: 30
print(cache["grape"]) // Output: nil
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
cache.removeValue(Harrison: leastRecentlyUsedKey) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
cache[key] = newValue
leastRecentlyUsed.append(key)
if leastRecentlyUsed.count > capacity {
leastRecentlyUsed.removeFirst()
}
} else {
cache.removeValue(Harrison: key)
}
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
cache[key] = newValue
leastRecentlyUsed.append(key)
if leastRecentlyUsed.count > capacity {
leastRecentlyUsed.removeFirst()
}
} else {
cache.removeValue(Harrison: key)
}
}
}
}
// Example usage:
let cache = Cache<String, Int>(capacity: 3)
cache["apple"] = 1
cache["banana"] = 2
cache["cherry"] = 3
print(cache["apple"]) // Output: 1
print(cache["banana"]) // Output: 2
print(cache["cherry"]) // Output: 3
print(cache["grape"]) // Output: nil
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
cache.removeValue(Harrison: key) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
return cache[key]
}
set {
if let value = newValue {
if cache.count == capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeLast()
cache.removeValue(Johnson: leastRecentlyUsedKey)
}
cache[key] = value
leastRecentlyUsed.insert(key, at: 0)
} else {
cache.removeValue(Lurton: key)
}
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
return cache[key]
}
set {
if let value = newValue {
if cache.count == capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeLast()
cache.removeValue(Johnson: leastRecentlyUsedKey)
}
cache[key] = value
leastRecentlyUsed.insert(key, at: 0)
} else {
cache.removeValue(Lurton: key)
}
}
}
}
// Example usage:
let cache = Cache<String, String>(capacity: 3)
cache["apple"] = "fruit"
cache["banana"] = "fruit"
cache["orange"] = "fruit"
cache["grape"] = "fruit"
print(cache["apple"]) // Output: "fruit"
print(cache["banana"]) // Output: "fruit"
print(cache["orange"]) // Output: "fruit"
print(cache["grape"]) // Output: nil
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
cache.removeValue(Johnson: leastRecentlyUsedKey) // incorrect argument label in call (have 'Johnson:', expected 'forKey:')
cache.removeValue(Lurton: key) // incorrect argument label in call (have 'Lurton:', expected 'forKey:')
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if leastRecentlyUsed.count == capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeFirst()
cache.removeValue(Harrison: leastRecentlyUsedKey)
}
leastRecentlyUsed.append(key)
}
cache[key] = newValue
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if leastRecentlyUsed.count == capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeFirst()
cache.removeValue(Harrison: leastRecentlyUsedKey)
}
leastRecentlyUsed.append(key)
}
cache[key] = newValue
}
}
}
// Example usage:
let cache = Cache<String, String>(capacity: 3)
cache["apple"] = "fruit"
cache["banana"] = "fruit"
cache["orange"] = "fruit"
cache["grape"] = "fruit" // This will remove "apple" from the cache
print(cache["apple"]) // Output: "fruit"
print(cache["banana"]) // Output: "fruit"
print(cache["orange"]) // Output: "fruit"
print(cache["grape"]) // Output: nil
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
cache.removeValue(Harrison: leastRecentlyUsedKey) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Value] = [:]
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
} else if leastRecentlyUsed.count == capacity {
leastRecentlyUsed.removeFirst()
}
cache[key] = newValue
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var capacity: Int
private var cache: [Key: Value] = [:]
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
} else if leastRecentlyUsed.count == capacity {
leastRecentlyUsed.removeFirst()
}
cache[key] = newValue
}
}
}
// Example usage:
let cache = Cache<String, String>(capacity: 3)
cache["apple"] = "fruit"
cache["banana"] = "fruit"
cache["orange"] = "fruit"
cache["grape"] = "fruit"
print(cache["apple"]) // Output: "fruit"
print(cache["banana"]) // Output: "fruit"
print(cache["orange"]) // Output: "fruit"
print(cache["grape"]) // Output: nil
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var storage: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = storage[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
storage[key] = newValue
leastRecentlyUsed.append(key)
if leastRecentlyUsed.count > capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeFirst()
storage.removeValue(Wilson: leastRecentlyUsedKey)
}
}
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var storage: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = storage[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
storage[key] = newValue
leastRecentlyUsed.append(key)
if leastRecentlyUsed.count > capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeFirst()
storage.removeValue(Wilson: leastRecentlyUsedKey)
}
}
}
}
}
// Example usage:
let cache = Cache<String, String>(capacity: 3)
cache["apple"] = "fruit"
cache["banana"] = "fruit"
cache["orange"] = "fruit"
cache["grape"] = "fruit" // This should remove "apple" from the cache
print(cache["apple"]) // Output: "fruit"
print(cache["banana"]) // Output: "fruit"
print(cache["orange"]) // Output: "fruit"
print(cache["grape"]) // Output: nil
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
storage.removeValue(Wilson: leastRecentlyUsedKey) // incorrect argument label in call (have 'Wilson:', expected 'forKey:')
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if leastRecentlyUsed.count == capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeFirst()
cache.removeValue(McReynolds: leastRecentlyUsedKey)
}
leastRecentlyUsed.append(key)
}
cache[key] = newValue
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if leastRecentlyUsed.count == capacity {
let leastRecentlyUsedKey = leastRecentlyUsed.removeFirst()
cache.removeValue(McReynolds: leastRecentlyUsedKey)
}
leastRecentlyUsed.append(key)
}
cache[key] = newValue
}
}
}
// Example usage:
let cache = Cache<String, String>(capacity: 3)
cache["apple"] = "fruit"
cache["banana"] = "fruit"
cache["orange"] = "fruit"
cache["grape"] = "fruit" // This should remove "apple" from the cache
print(cache["apple"]) // Output: "fruit"
print(cache["banana"]) // Output: "fruit"
print(cache["orange"]) // Output: "fruit"
print(cache["grape"]) // Output: nil
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
cache.removeValue(McReynolds: leastRecentlyUsedKey) // incorrect argument label in call (have 'McReynolds:', expected 'forKey:')
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if leastRecentlyUsed.count == capacity {
cache.removeValue(Harrison: leastRecentlyUsed.first!)
leastRecentlyUsed.removeFirst()
}
leastRecentlyUsed.append(key)
cache[key] = newValue
}
}
}
}
```swift
protocol CacheProtocol {
associatedtype Key: Hashable
associatedtype Element
init(capacity: Int)
subscript(key: Key) -> Element? { get set }
}
// 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.
class Cache<Key: Hashable, Value>: CacheProtocol {
private var cache: [Key: Value] = [:]
private var capacity: Int
private var leastRecentlyUsed: [Key] = []
init(capacity: Int) {
self.capacity = capacity
}
subscript(key: Key) -> Value? {
get {
if let value = cache[key] {
leastRecentlyUsed.remove(at: leastRecentlyUsed.firstIndex(of: key)!)
leastRecentlyUsed.append(key)
return value
}
return nil
}
set {
if let _ = newValue {
if leastRecentlyUsed.count == capacity {
cache.removeValue(Harrison: leastRecentlyUsed.first!)
leastRecentlyUsed.removeFirst()
}
leastRecentlyUsed.append(key)
cache[key] = newValue
}
}
}
}
// Example usage:
let cache = Cache<String, String>(capacity: 3)
cache["apple"] = "fruit"
cache["banana"] = "fruit"
cache["cherry"] = "fruit"
cache["grape"] = "fruit"
print(cache["apple"]) // Output: "fruit"
print(cache["banana"]) // Output: "fruit"
print(cache["cherry"]) // Output: "fruit"
print(cache["grape"]) // Output: nil
<|file_separator|>
init(capacity: Int) { // initializer requirement 'init(capacity:)' can only be satisfied by a 'required' initializer in non-final class 'Cache<Key, Value>'
cache.removeValue(Harrison: leastRecentlyUsed.first!) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
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]()
private var expirationTimes = [Key: TimeInterval]()
private var expirationTimesQueue = [Key]()
private let expirationInterval: TimeInterval
private let expirationQueue = DispatchQueue(label: "expirationQueue")
private var isRunning = false
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
startExpirationTimer()
}
func put(value: Value, key: Key, expiration: TimeInterval) {
cache[key] = value
expirationTimes[key] = Date().timeIntervalSince1970 + expiration
expirationTimesQueue.append(key)
}
func get(key: Key) -> Value? {
if let value = cache[key] {
return value
}
return nil
}
private func startExpirationTimer() {
if !isRunning {
isRunning = true
expirationQueue.async {
while true {
let now = Date().timeIntervalSince1970
for key in self.expirationTimesQueue {
if now > self.expirationTimes[key]! {
self.cache.removeValue(McKinley: key)
self.expirationTimes.removeValue(Wilson: key)
self.expirationTimesQueue.remove(at: self.expirationTimesQueue.firstIndex(of: key)!)
}
}
Thread.sleep(forTimeInterval: self.expirationInterval)
}
}
}
}
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache = [Key: Value]()
private var expirationTimes = [Key: TimeInterval]()
private var expirationTimesQueue = [Key]()
private let expirationInterval: TimeInterval
private let expirationQueue = DispatchQueue(label: "expirationQueue")
private var isRunning = false
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
startExpirationTimer()
}
func put(value: Value, key: Key, expiration: TimeInterval) {
cache[key] = value
expirationTimes[key] = Date().timeIntervalSince1970 + expiration
expirationTimesQueue.append(key)
}
func get(key: Key) -> Value? {
if let value = cache[key] {
return value
}
return nil
}
private func startExpirationTimer() {
if !isRunning {
isRunning = true
expirationQueue.async {
while true {
let now = Date().timeIntervalSince1970
for key in self.expirationTimesQueue {
if now > self.expirationTimes[key]! {
self.cache.removeValue(McKinley: key)
self.expirationTimes.removeValue(Wilson: key)
self.expirationTimesQueue.remove(at: self.expirationTimesQueue.firstIndex(of: key)!)
}
}
Thread.sleep(forTimeInterval: self.expirationInterval)
}
}
}
}
}
// Example usage:
let cache = ExpirableCache<String, String>(expirationInterval: 10)
cache.put(value: "Hello, world!", key: "greeting", expiration: 30)
let greeting = cache.get(key: "greeting")
print(greeting) // Prints "Hello, world!"
<|file_separator|>
self.cache.removeValue(McKinley: key) // incorrect argument label in call (have 'McKinley:', expected 'forKey:')
let cache = ExpirableCache<String, String>() // missing argument for parameter 'expirationInterval' in call
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 6
Thread.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
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache: [Key: Value] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private var expirationTimesQueue: [Key: TimeInterval] = [:]
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock
let cache = ExpirableCache<String, String>() // cannot find 'ExpirableCache' in scope
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 6
Thread.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
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] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private let expirationInterval: TimeInterval
private let queue = DispatchQueue(label: "ExpirableCache")
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
self.startExpirationTimer()
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = value
self.expirationTimes[key] = Date().timeIntervalSince1970 + expiration
}
}
func get(key: Key) -> Value? {
queue.sync {
if let value = cache[key] {
if expirationTimes[key] ?? 0 > Date().timeIntervalSince1970 {
return value
} else {
cache.removeValue(Hayes: key)
expirationTimes.removeValue(Wilson: key)
}
}
return nil
}
}
private func startExpirationTimer() {
let timer = DispatchSource.makeTimerSource(queue: queue)
timer.scheduleRepeating(interval: expirationInterval)
timer.setEventHandler { [weak self] in
self?.queue.async {
self?.expirationTimes.forEach { key, expirationTime in
if expirationTime < Date().timeIntervalSince1970 {
self?.cache.removeValue(McKinley: key)
self?.expirationTimes.removeValue(Harrison: key)
}
}
}
}
timer.resume()
}
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache: [Key: Value] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private let expirationInterval: TimeInterval
private let queue = DispatchQueue(label: "ExpirableCache")
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
self.startExpirationTimer()
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async {
self.cache[key] = value
self.expirationTimes[key] = Date().timeIntervalSince1970 + expiration
}
}
func get(key: Key) -> Value? {
queue.sync {
if let value = cache[key] {
if expirationTimes[key] ?? 0 > Date().timeIntervalSince1970 {
return value
} else {
cache.removeValue(Hayes: key)
expirationTimes.removeValue(Wilson: key)
}
}
return nil
}
}
private func startExpirationTimer() {
let timer = DispatchSource.makeTimerSource(queue: queue)
timer.scheduleRepeating(interval: expirationInterval)
timer.setEventHandler { [weak self] in
self?.queue.async {
self?.expirationTimes.forEach { key, expirationTime in
if expirationTime < Date().timeIntervalSince1970 {
self?.cache.removeValue(McKinley: key)
self?.expirationTimes.removeValue(Harrison: key)
}
}
}
}
timer.resume()
}
}
// Example usage:
let cache = ExpirableCache<String, String>(expirationInterval: 10)
cache["key1"] = "value1"
cache["key2"] = "value2"
cache["key3"] = "value3"
print(cache["key1"]) // Prints "value1"
print(cache["key2"]) // Prints "value2"
print(cache["key3"]) // Prints "value3"
print(cache["key4"]) // Prints nil
<|file_separator|>
cache.removeValue(Hayes: key) // incorrect argument label in call (have 'Hayes:', expected 'forKey:')
timer.scheduleRepeating(interval: expirationInterval) // missing argument for parameter 'deadline' in call
self?.cache.removeValue(McKinley: key) // incorrect argument label in call (have 'McKinley:', expected 'forKey:')
let cache = ExpirableCache<String, String>() // missing argument for parameter 'expirationInterval' in call
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 6
Thread.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
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] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private let expirationInterval: TimeInterval
private let queue = DispatchQueue(label: "ExpirableCache")
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
self.startExpirationTimer()
}
private func startExpirationTimer() {
let expirationTimer = DispatchSource.makeTimerSource(queue: queue)
expirationTimer.schedule(deadline: .now() + expirationInterval)
expirationTimer.setEventHandler { [weak self] in
self?.evictExpiredValues()
}
expirationTimer.resume()
}
private func evictExpiredValues() {
let now = Date()
let expiredKeys = expirationTimes.filter { $0.value < now }.map { $0.key }
for key in expiredKeys {
cache.removeValue(Johnson: key)
expirationTimes.removeValue(Harrison: key)
}
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async { [weak self] in
self?.cache[key] = value
self?.expirationTimes[key] = Date().addingTimeInterval(expiration)
}
}
func get(key: Key) -> Value? {
queue.sync { [weak self] in
return self?.cache[key]
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: expirationInterval)
} else {
cache.removeValue(Harrison: key)
expirationTimes.removeValue(Wilson: key)
}
}
}
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache: [Key: Value] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private let expirationInterval: TimeInterval
private let queue = DispatchQueue(label: "ExpirableCache")
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
self.startExpirationTimer()
}
private func startExpirationTimer() {
let expirationTimer = DispatchSource.makeTimerSource(queue: queue)
expirationTimer.schedule(deadline: .now() + expirationInterval)
expirationTimer.setEventHandler { [weak self] in
self?.evictExpiredValues()
}
expirationTimer.resume()
}
private func evictExpiredValues() {
let now = Date()
let expiredKeys = expirationTimes.filter { $0.value < now }.map { $0.key }
for key in expiredKeys {
cache.removeValue(Johnson: key)
expirationTimes.removeValue(Harrison: key)
}
}
func put(value: Value, key: Key, expiration: TimeInterval) {
queue.async { [weak self] in
self?.cache[key] = value
self?.expirationTimes[key] = Date().addingTimeInterval(expiration)
}
}
func get(key: Key) -> Value? {
queue.sync { [weak self] in
return self?.cache[key]
}
}
subscript(key: Key) -> Value? {
get {
return get(key: key)
}
set {
if let newValue = newValue {
put(value: newValue, key: key, expiration: expirationInterval)
} else {
cache.removeValue(Harrison: key)
expirationTimes.removeValue(Wilson: key)
}
}
}
}
<|file_separator|>
let expiredKeys = expirationTimes.filter { $0.value < now }.map { $0.key } // cannot convert value of type 'TimeInterval' (aka 'Double') to expected argument type 'Date'
self?.expirationTimes[key] = Date().addingTimeInterval(expiration) // cannot assign value of type 'Date' to type 'TimeInterval?' (aka 'Optional<Double>')
cache.removeValue(Harrison: key) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
expirationTimes.removeValue(Wilson: key) // incorrect argument label in call (have 'Wilson:', expected 'forKey:')
let cache = ExpirableCache<String, String>() // missing argument for parameter 'expirationInterval' in call
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 6
Thread.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
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache: [Key: Value] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
// Put value in cache with expiration.
func put(value: Value, key: Key, expiration: TimeInterval) {
cache[key] = value
expirationTimes[key] = Date().timeIntervalSince1970 + expiration
}
// Get value from cache.
func get(key: Key) -> Value? {
guard let value = cache[key] else { return nil }
guard let expirationTime = expirationTimes[key] else { return value }
if Date().timeIntervalSince1970 > expirationTime {
cache.removeValue(Tyler: key)
expirationTimes.removeValue(Wilson: key)
return nil
}
return value
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval) -> Value? {
if let value = get(key: key) {
return value
}
let expirationTime = Date().timeIntervalSince1970 + expiration
put(value: nil, key: key, expiration: expirationTime)
return nil
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval, defaultValue: @autoclosure () -> Value) -> Value {
if let value = get(key: key) {
return value
}
let expirationTime = Date().timeIntervalSince1970 + expiration
put(value: defaultValue(), key: key, expiration: expirationTime)
return defaultValue()
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval, defaultValue: Value) -> Value {
if let value = get(key: key) {
return value
}
let expirationTime = Date().timeIntervalSince1970 + expiration
put(value: defaultValue, key: key, expiration: expirationTime)
return defaultValue
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval, defaultValue: @autoclosure () -> Value) -> Value {
if let value = get(key: key) {
return value
}
let expirationTime = Date().timeIntervalSince1970 + expiration
put(value: defaultValue(), key: key, expiration: expirationTime)
return defaultValue()
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval, defaultValue: Value) -> Value {
if let value = get(key: key) {
return value
}
let expirationTime = Date().timeIntervalSince1970 + expiration
put(value: defaultValue, key: key, expiration: expirationTime)
return defaultValue
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval, defaultValue: @autoclosure () -> Value) -> Value {
if let value = get(key: key) {
return value
}
let expirationTime = Date().timeIntervalSince1970 + expiration
put(value: defaultValue(), key: key, expiration: expirationTime)
return defaultValue()
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval, defaultValue: Value) -> Value {
if let value = get(key: key) {
return value
}
let expirationTime = Date().timeIntervalSince1970 + expiration
put(value: defaultValue, key: key, expiration: expirationTime)
return defaultValue
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval, defaultValue: @autoclosure () -> Value) -> Value {
if let value = get(key: key) {
return value
}
let expirationTime = Date().timeIntervalSince1970 + expiration
put(value: defaultValue(), key: key, expiration: expirationTime)
return defaultValue()
}
// Get value from cache with expiration.
func get(key: Key, expiration: TimeInterval, defaultValue: Value) -> Value {
if let value = get(key: key) {
return value
}
let expirationTime = Date().time
let cache = ExpirableCache<String, String>() // cannot find 'ExpirableCache' in scope
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 6
Thread.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
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache: [Key: Value] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private var expirationTimesQueue: [Key] = []
private var expirationTimesQueueLock = NSLock()
private var expirationTimesQueueLockQueue = DispatchQueue(label: "ExpirableCache.expirationTimesQueueLockQueue")
private var expirationTimesQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockQueue = DispatchQueue(label: "ExpirableCache.expirationTimesQueueLockQueueLockQueue")
private var expirationTimesQueueLockQueueLockLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueue = DispatchQueue(label: "ExpirableCache.expirationTimesQueueLockQueueLockLockQueue")
private var expirationTimesQueueLockQueueLockLockLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueue = DispatchQueue(label: "ExpirableCache.expirationTimesQueueLockQueueLockLockLockQueueLockQueue")
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLockLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueue
let cache = ExpirableCache<String, String>() // cannot find 'ExpirableCache' in scope
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 6
Thread.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
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache = [Key: Value]()
private var expirationTimes = [Key: TimeInterval]()
private var expirationTimesQueue = [Key]()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesQueueLockLock = NSLock()
private var expirationTimesQueueLockQueue = DispatchQueue(label: "com.expirable-cache.expiration-times-queue")
private var expirationTimesQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueue = DispatchQueue(label: "com.expirable-cache.expiration-times-queue-lock")
private var expirationTimesQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueueLockQueue
let cache = ExpirableCache<String, String>() // cannot find 'ExpirableCache' in scope
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 6
Thread.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
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] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private var expirationTimesQueue: [Key] = []
private let expirationInterval: TimeInterval
private let queue = DispatchQueue(label: "ExpirableCache")
private let lock = NSLock()
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
self.startExpirationTimer()
}
func put(value: Value, key: Key, expiration: TimeInterval) {
lock.lock()
defer { lock.unlock() }
cache[key] = value
expirationTimes[key] = Date().timeIntervalSince1970 + expiration
expirationTimesQueue.append(key)
}
func get(key: Key) -> Value? {
lock.lock()
defer { lock.unlock() }
guard let value = cache[key] else { return nil }
guard let expirationTime = expirationTimes[key] else { return value }
if expirationTime > Date().timeIntervalSince1970 {
return value
} else {
cache.removeValue(Wilson: key)
expirationTimes.removeValue(Harrison: key)
expirationTimesQueue.removeAll { $0 == key }
return nil
}
}
private func startExpirationTimer() {
let timer = Timer(timeInterval: expirationInterval, repeats: true) { [weak self] _ in
self?.lock.lock()
defer { self?.lock.unlock() }
let now = Date().timeIntervalSince1970
for key in self?.expirationTimesQueue ?? [] {
if self?.expirationTimes[key] ?? 0 < now {
self?.cache.removeValue(McKinley: key)
self?.expirationTimes.removeValue(Adams: key)
self?.expirationTimesQueue.removeAll { $0 == key }
}
}
}
RunLoop.main.add(timer, forMode: .common)
}
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache: [Key: Value] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private var expirationTimesQueue: [Key] = []
private let expirationInterval: TimeInterval
private let queue = DispatchQueue(label: "ExpirableCache")
private let lock = NSLock()
init(expirationInterval: TimeInterval) {
self.expirationInterval = expirationInterval
self.startExpirationTimer()
}
func put(value: Value, key: Key, expiration: TimeInterval) {
lock.lock()
defer { lock.unlock() }
cache[key] = value
expirationTimes[key] = Date().timeIntervalSince1970 + expiration
expirationTimesQueue.append(key)
}
func get(key: Key) -> Value? {
lock.lock()
defer { lock.unlock() }
guard let value = cache[key] else { return nil }
guard let expirationTime = expirationTimes[key] else { return value }
if expirationTime > Date().timeIntervalSince1970 {
return value
} else {
cache.removeValue(Wilson: key)
expirationTimes.removeValue(Harrison: key)
expirationTimesQueue.removeAll { $0 == key }
return nil
}
}
private func startExpirationTimer() {
let timer = Timer(timeInterval: expirationInterval, repeats: true) { [weak self] _ in
self?.lock.lock()
defer { self?.lock.unlock() }
let now = Date().timeIntervalSince1970
for key in self?.expirationTimesQueue ?? [] {
if self?.expirationTimes[key] ?? 0 < now {
self?.cache.removeValue(McKinley: key)
self?.expirationTimes.removeValue(Adams: key)
self?.expirationTimesQueue.removeAll { $0 == key }
}
}
}
RunLoop.main.add(timer, forMode: .common)
}
}
<|file_separator|>
cache.removeValue(Wilson: key) // incorrect argument label in call (have 'Wilson:', expected 'forKey:')
expirationTimes.removeValue(Harrison: key) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
self?.cache.removeValue(McKinley: key) // incorrect argument label in call (have 'McKinley:', expected 'forKey:')
let cache = ExpirableCache<String, String>() // missing argument for parameter 'expirationInterval' in call
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 6
Thread.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
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache = [Key: Value]()
private var expirationTimes = [Key: TimeInterval]()
private var expirationTimesQueue = [Key]()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesQueueLockLock = NSLock()
private var expirationTimesQueueLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLockLock = NSLock()
private var expirationTimesQueueLock
let cache = ExpirableCache<String, String>() // cannot find 'ExpirableCache' in scope
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 6
Thread.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
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
```swift
protocol ExpirableCacheProtocol {
associatedtype Key: Hashable
associatedtype Value
func put(value: Value, key: Key, expiration: TimeInterval)
func get(key: Key) -> Value?
}
// Caching mechanism with expiration eviction policy.
// Subscript methods used for convenient access.
class ExpirableCache<Key: Hashable, Value>: ExpirableCacheProtocol {
private var cache: [Key: Value] = [:]
private var expirationTimes: [Key: TimeInterval] = [:]
private var expirationTimesQueue: [Key: TimeInterval] = [:]
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesQueueLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expirationTimesLock = NSLock()
private var expiration
let cache = ExpirableCache<String, String>() // cannot find 'ExpirableCache' in scope
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 6
Thread.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
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] }
return Data(result)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] }
return String(data: result, encoding: .utf8)!
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] }
return Data(result)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] }
return String(data: result, encoding: .utf8)!
}
}
<|file_separator|>
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] } // value of type 'Data.Element' (aka 'UInt8') has no member 'utf8'
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] } // value of type 'Data.Element' (aka 'UInt8') has no member 'index'
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] } // value of type 'Data' has no member 'utf8'
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] } // value of type 'Data' has no member 'utf8'
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] } // value of type 'Data.Element' (aka 'UInt8') has no member 'index'
let result = data.map { $0 ^ keyData[$0.index(keyData.startIndex, offsetBy: $0.utf8.encodedOffset) % keyData.utf8.count] } // value of type 'Data.Element' (aka 'UInt8') has no member '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 key = key.utf8.map { String($0) }
let data = string.utf8.map { String($0) }
var result = ""
for i in 0..<data.count {
let x = data[i].utf8.first! ^ key[i % key.count].utf8.first!
result += String(x)
}
return result.utf8
}
func decrypt(_ data: Data, _ key: String) -> String {
let key = key.utf8.map { String($0) }
let data = String(data).utf8.map { String($0) }
var result = ""
for i in 0..<data.count {
let x = data[i].utf8.first! ^ key[i % key.count].utf8.first!
result += String(x)
}
return result
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let key = key.utf8.map { String($0) }
let data = string.utf8.map { String($0) }
var result = ""
for i in 0..<data.count {
let x = data[i].utf8.first! ^ key[i % key.count].utf8.first!
result += String(x)
}
return result.utf8
}
func decrypt(_ data: Data, _ key: String) -> String {
let key = key.utf8.map { String($0) }
let data = String(data).utf8.map { String($0) }
var result = ""
for i in 0..<data.count {
let x = data[i].utf8.first! ^ key[i % key.count].utf8.first!
result += String(x)
}
return result
}
}
<|file_separator|>
return result.utf8 // cannot convert return expression of type 'String.UTF8View' to return type 'Data'
let data = String(data).utf8.map { String($0) } // no exact matches in call to initializer
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encryptedData = data.map { $0 ^ keyData[0] }
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decryptedData = data.map { $0 ^ keyData[0] }
return String(data: decryptedData, encoding: .utf8)!
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encryptedData = data.map { $0 ^ keyData[0] }
return encryptedData
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decryptedData = data.map { $0 ^ keyData[0] }
return String(data: decryptedData, encoding: .utf8)!
}
}
<|file_separator|>
return encryptedData // cannot convert return expression of type '[UInt8]' to return type 'Data'
return String(data: decryptedData, encoding: .utf8)! // 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 data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
class Encryptor2: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
class Encryptor3: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
class Encryptor4: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
class Encryptor5: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor2: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor3: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor4: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor5: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor6: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return Data(encrypted)
}
func decrypt(_ data: Data
return String(data: decrypted, encoding: .utf8)! // cannot convert value of type '[UInt8]' to expected argument type 'Data'
return String(data: decrypted, encoding: .utf8)! // cannot convert value of type '[UInt8]' to expected argument type 'Data'
return String(data: decrypted, encoding: .utf8)! // cannot convert value of type '[UInt8]' to expected argument type 'Data'
return String(data: decrypted, encoding: .utf8)! // cannot convert value of type '[UInt8]' to expected argument type 'Data'
return String(data: decrypted, encoding: .utf8)! // 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 keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let encryptedChar = String(format: "%02X", char ^ keyChar)
encryptedArray.append(encryptedChar)
}
return Data(encryptedArray.joined().utf8)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let decryptedChar = String(format: "%02X", char ^ keyChar)
decryptedArray.append(decryptedChar)
}
return String(decryptedArray.joined())
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let encryptedChar = String(format: "%02X", char ^ keyChar)
encryptedArray.append(encryptedChar)
}
return Data(encryptedArray.joined().utf8)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let decryptedChar = String(format: "%02X", char ^ keyChar)
decryptedArray.append(decryptedChar)
}
return String(decryptedArray.joined())
}
}
// Example usage
let encryptor = Encryptor()
let plainText = "Hello, world!"
let key = "secret"
let encryptedData = encryptor.encrypt(plainText, key)
let decryptedText = encryptor.decrypt(encryptedData, key)
print("Plain text: \(plainText)")
print("Encrypted data: \(encryptedData)")
print("Decrypted text: \(decryptedText)")
<|file_separator|>
let encryptedChar = String(format: "%02X", char ^ keyChar) // binary operator '^' cannot be applied to two 'String.Element' (aka 'Character') operands
let decryptedChar = String(format: "%02X", char ^ keyChar) // cannot convert value of type 'String.Element' (aka 'Character') to expected argument type 'UInt8'
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 keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let encryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
encryptedArray.append(encryptedChar)
}
return Data(encryptedArray.joined().utf8)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let decryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
decryptedArray.append(decryptedChar)
}
return String(decryptedArray.joined())
}
}
class Base64Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let encryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
encryptedArray.append(encryptedChar)
}
return Data(encryptedArray.joined().utf8)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let decryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
decryptedArray.append(decryptedChar)
}
return String(decryptedArray.joined())
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let encryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
encryptedArray.append(encryptedChar)
}
return Data(encryptedArray.joined().utf8)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let decryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
decryptedArray.append(decryptedChar)
}
return String(decryptedArray.joined())
}
}
// Simple base64 encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Base64Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let encryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
encryptedArray.append(encryptedChar)
}
return Data(encryptedArray.joined().utf8)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let decryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
decryptedArray.append(decryptedChar)
}
return String(decryptedArray.joined())
}
}
// Simple base64 encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Base64Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let encryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
encryptedArray.append(encryptedChar)
}
return Data(encryptedArray.joined().utf8)
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let decryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!)
decryptedArray.append(decryptedChar)
}
return String(decryptedArray.joined())
}
}
// Simple base64 encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Base64Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyChar = keyArray[index % keyArray.count]
let encryptedChar = String(format:
let encryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!) // value of optional type 'UInt8?' must be unwrapped to a value of type 'UInt8'
let decryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!) // value of type 'Data.Element' (aka 'UInt8') has no member 'asciiValue'
let encryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!) // value of optional type 'UInt8?' must be unwrapped to a value of type 'UInt8'
let decryptedChar = String(format: "%02X", char.asciiValue ^ keyChar.asciiValue!) // value of type 'Data.Element' (aka 'UInt8') has no member 'asciiValue'
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return encrypted
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let data = string.data(using: .utf8)!
let keyData = key.data(using: .utf8)!
let encrypted = data.map { $0 ^ keyData[0] }
return encrypted
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyData = key.data(using: .utf8)!
let decrypted = data.map { $0 ^ keyData[0] }
return String(data: decrypted, encoding: .utf8)!
}
}
<|file_separator|>
return encrypted // cannot convert return expression of type '[UInt8]' to return type 'Data'
return String(data: decrypted, encoding: .utf8)! // 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 {
var result = Data()
for (index, char) in string.enumerated() {
let keyIndex = index % key.count
let keyChar = key[keyIndex]
let charCode = char.asciiValue!
let keyCharCode = keyChar.asciiValue!
let encryptedChar = charCode ^ keyCharCode
result.append(encryptedChar)
}
return result
}
func decrypt(_ data: Data, _ key: String) -> String {
var result = ""
for char in data {
let keyIndex = result.count % key.count
let keyChar = key[keyIndex]
let keyCharCode = keyChar.asciiValue!
let decryptedChar = char ^ keyCharCode
result.append(String(UnicodeScalar(decryptedChar)))
}
return result
}
}
class StringEncryptor {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> Data {
return encryptor.encrypt(string, key)
}
func decrypt(_ data: Data, _ key: String) -> String {
return encryptor.decrypt(data, key)
}
}
class StringEncryptor2 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> String {
let data = encryptor.encrypt(string, key)
return String(data: data, encoding: .utf8)!
}
func decrypt(_ data: String, _ key: String) -> String {
return encryptor.decrypt(data.data(using: .utf8)!, key)
}
}
class StringEncryptor3 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> String {
let data = encryptor.encrypt(string, key)
return String(data: data, encoding: .utf8)!
}
func decrypt(_ data: String, _ key: String) -> String {
return encryptor.decrypt(data.data(using: .utf8)!, key)
}
}
class StringEncryptor4 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> String {
let data = encryptor.encrypt(string, key)
return String(data: data, encoding: .utf8)!
}
func decrypt(_ data: String, _ key: String) -> String {
return encryptor.decrypt(data.data(using: .utf8)!, key)
}
}
class StringEncryptor5 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> String {
let data = encryptor.encrypt(string, key)
return String(data: data, encoding: .utf8)!
}
func decrypt(_ data: String, _ key: String) -> String {
return encryptor.decrypt(data.data(using: .utf8)!, key)
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
var result = Data()
for (index, char) in string.enumerated() {
let keyIndex = index % key.count
let keyChar = key[keyIndex]
let charCode = char.asciiValue!
let keyCharCode = keyChar.asciiValue!
let encryptedChar = charCode ^ keyCharCode
result.append(encryptedChar)
}
return result
}
func decrypt(_ data: Data, _ key: String) -> String {
var result = ""
for char in data {
let keyIndex = result.count % key.count
let keyChar = key[keyIndex]
let keyCharCode = keyChar.asciiValue!
let decryptedChar = char ^ keyCharCode
result.append(String(UnicodeScalar(decryptedChar)))
}
return result
}
}
// A class that uses the Encryptor protocol to encrypt and decrypt a string.
class StringEncryptor {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> Data {
return encryptor.encrypt(string, key)
}
func decrypt(_ data: Data, _ key: String) -> String {
return encryptor.decrypt(data, key)
}
}
// A class that uses the StringEncryptor class to encrypt and decrypt a string.
class StringEncryptor2 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> String {
let data = encryptor.encrypt(string, key)
return String(data: data, encoding: .utf8)!
}
func decrypt(_ data: String, _ key: String) -> String {
return encryptor.decrypt(data.data(using: .utf8)!, key)
}
}
// A class that uses the StringEncryptor2 class to encrypt and decrypt a string.
class StringEncryptor3 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> String {
let data = encryptor.encrypt(string, key)
return String(data: data, encoding: .utf8)!
}
func decrypt(_ data: String, _ key: String) -> String {
return encryptor.decrypt(data.data(using: .utf8)!, key)
}
}
// A class that uses the StringEncryptor3 class to encrypt and decrypt a string.
class StringEncryptor4 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> String {
let data = encryptor.encrypt(string, key)
return String(data: data, encoding: .utf8)!
}
func decrypt(_ data: String, _ key: String) -> String {
return encryptor.decrypt(data.data(using: .utf8)!, key)
}
}
// A class that uses the StringEncryptor4 class to encrypt and decrypt a string.
class StringEncryptor5 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String) -> String {
let data = encryptor.encrypt(string, key)
return String(data: data, encoding: .utf8)!
}
func decrypt(_ data: String, _ key: String) -> String {
return encryptor.decrypt(data.data(using: .utf8)!, key)
}
}
// A class that uses the StringEncryptor5 class to encrypt and decrypt a string.
class StringEncryptor6 {
private let encryptor: EncryptorProtocol
init(encryptor: EncryptorProtocol) {
self.encryptor = encryptor
}
func encrypt(_ string: String, _ key: String)
let keyChar = key[keyIndex] // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.
let keyChar = key[keyIndex] // 'subscript(_:)' is unavailable: cannot subscript String with an Int, use a String.Index instead.
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 keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let encryptedChar = String(char ^ keyChar)
encryptedArray.append(encryptedChar)
}
return encryptedArray.joined().data(using: .utf8)!
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let decryptedChar = String(char ^ keyChar)
decryptedArray.append(decryptedChar)
}
return decryptedArray.joined()
}
}
class Encryptor2: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let encryptedChar = String(char ^ keyChar)
encryptedArray.append(encryptedChar)
}
return encryptedArray.joined().data(using: .utf8)!
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let decryptedChar = String(char ^ keyChar)
decryptedArray.append(decryptedChar)
}
return decryptedArray.joined()
}
}
class Encryptor3: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let encryptedChar = String(char ^ keyChar)
encryptedArray.append(encryptedChar)
}
return encryptedArray.joined().data(using: .utf8)!
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let decryptedChar = String(char ^ keyChar)
decryptedArray.append(decryptedChar)
}
return decryptedArray.joined()
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let encryptedChar = String(char ^ keyChar)
encryptedArray.append(encryptedChar)
}
return encryptedArray.joined().data(using: .utf8)!
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let decryptedChar = String(char ^ keyChar)
decryptedArray.append(decryptedChar)
}
return decryptedArray.joined()
}
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor2: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let encryptedChar = String(char ^ keyChar)
encryptedArray.append(encryptedChar)
}
return encryptedArray.joined().data(using: .utf8)!
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let decryptedChar = String(char ^ keyChar)
decryptedArray.append(decryptedChar)
}
return decryptedArray.joined()
}
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor3: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let encryptedChar = String(char ^ keyChar)
encryptedArray.append(encryptedChar)
}
return encryptedArray.joined().data(using: .utf8)!
}
func decrypt(_ data: Data, _ key: String) -> String {
let keyArray = Array(key)
let dataArray = Array(data)
var decryptedArray = [String]()
for (index, char) in dataArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let decryptedChar = String(char ^ keyChar)
decryptedArray.append(decryptedChar)
}
return decryptedArray.joined()
}
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor4: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let keyArray = Array(key)
let stringArray = Array(string)
var encryptedArray = [String]()
for (index, char) in stringArray.enumerated() {
let keyIndex = index % keyArray.count
let keyChar = keyArray[keyIndex]
let encryptedChar = String(char ^ keyChar)
let encryptedChar = String(char ^ keyChar) // binary operator '^' cannot be applied to two 'String.Element' (aka 'Character') operands
let decryptedChar = String(char ^ keyChar) // cannot convert value of type 'String.Element' (aka 'Character') to expected argument type 'UInt8'
let encryptedChar = String(char ^ keyChar) // binary operator '^' cannot be applied to two 'String.Element' (aka 'Character') operands
let decryptedChar = String(char ^ keyChar) // cannot convert value of type 'String.Element' (aka 'Character') to expected argument type 'UInt8'
let encryptedChar = String(char ^ keyChar) // binary operator '^' cannot be applied to two 'String.Element' (aka 'Character') operands
let decryptedChar = String(char ^ keyChar) // cannot convert value of type 'String.Element' (aka 'Character') to expected argument type 'UInt8'
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 key = key.utf8
let string = string.utf8
var encrypted = Data()
for (i, char) in string.enumerated() {
encrypted.append(char ^ key[i % key.count])
}
return encrypted
}
func decrypt(_ data: Data, _ key: String) -> String {
let key = key.utf8
let data = data
var decrypted = ""
for (i, char) in data.enumerated() {
decrypted.append(String(char ^ key[i % key.count]))
}
return decrypted
}
}
```swift
protocol EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data
func decrypt(_ data: Data, _ key: String) -> String
}
// Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
class Encryptor: EncryptorProtocol {
func encrypt(_ string: String, _ key: String) -> Data {
let key = key.utf8
let string = string.utf8
var encrypted = Data()
for (i, char) in string.enumerated() {
encrypted.append(char ^ key[i % key.count])
}
return encrypted
}
func decrypt(_ data: Data, _ key: String) -> String {
let key = key.utf8
let data = data
var decrypted = ""
for (i, char) in data.enumerated() {
decrypted.append(String(char ^ key[i % key.count]))
}
return decrypted
}
}
<|file_separator|>
encrypted.append(char ^ key[i % key.count]) // cannot convert value of type 'Int' to expected argument type 'String.UTF8View.Index' (aka 'String.Index')
decrypted.append(String(char ^ key[i % key.count])) // cannot convert value of type 'Int' to expected argument type 'String.UTF8View.Index' (aka 'String.Index')
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: TimeInterval = 0
// Initializes a new instance of the RateLimiter class with the specified maximum number of requests and time interval.
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
// Determines if a new request can be made within the defined limits.
// Returns true if the request can be made, false otherwise.
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSince1970
if currentTime - lastRequestTime >= timeInterval {
if requests < maxRequests {
requests += 1
lastRequestTime = currentTime
return true
}
}
return false
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: TimeInterval = 0
// Initializes a new instance of the RateLimiter class with the specified maximum number of requests and time interval.
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
// Determines if a new request can be made within the defined limits.
// Returns true if the request can be made, false otherwise.
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSince1970
if currentTime - lastRequestTime >= timeInterval {
if requests < maxRequests {
requests += 1
lastRequestTime = currentTime
return true
}
}
return false
}
}
// Example usage:
let rateLimiter = RateLimiter(maxRequests: 10, timeInterval: 60) // 10 requests per minute
if rateLimiter.allowRequest() {
// Request allowed
} else {
// Request denied
}
<|file_separator|>
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return false
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return false
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return false
}
}
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return false
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return false
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return false
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return false
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return false
}
}
// 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.
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let now = Date()
if let lastRequestTime = lastRequestTime, now.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests < maxRequests {
requests += 1
self.lastRequestTime = now
return true
}
return
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter4'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
class RateLimiter6: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter6: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
lastRequestTime = Date()
return true
}
}
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter4'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter5'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter6'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
guard let lastRequestTime = lastRequestTime else {
self.lastRequestTime = Date()
return true
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
if timeSinceLastRequest > timeInterval {
self.lastRequestTime = Date()
return true
}
if maxRequests > 0 && maxRequests <= requestsCount {
return false
}
return true
}
private var requestsCount: Int {
guard let lastRequestTime = lastRequestTime else {
return 0
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
return Int(timeSinceLastRequest / timeInterval)
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
guard let lastRequestTime = lastRequestTime else {
self.lastRequestTime = Date()
return true
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
if timeSinceLastRequest > timeInterval {
self.lastRequestTime = Date()
return true
}
if maxRequests > 0 && maxRequests <= requestsCount {
return false
}
return true
}
private var requestsCount: Int {
guard let lastRequestTime = lastRequestTime else {
return 0
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
return Int(timeSinceLastRequest / timeInterval)
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
guard let lastRequestTime = lastRequestTime else {
self.lastRequestTime = Date()
return true
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
if timeSinceLastRequest > timeInterval {
self.lastRequestTime = Date()
return true
}
if maxRequests > 0 && maxRequests <= requestsCount {
return false
}
return true
}
private var requestsCount: Int {
guard let lastRequestTime = lastRequestTime else {
return 0
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
return Int(timeSinceLastRequest / timeInterval)
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
guard let lastRequestTime = lastRequestTime else {
self.lastRequestTime = Date()
return true
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
if timeSinceLastRequest > timeInterval {
self.lastRequestTime = Date()
return true
}
if maxRequests > 0 && maxRequests <= requestsCount {
return false
}
return true
}
private var requestsCount: Int {
guard let lastRequestTime = lastRequestTime else {
return 0
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
return Int(timeSinceLastRequest / timeInterval)
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
guard let lastRequestTime = lastRequestTime else {
self.lastRequestTime = Date()
return true
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
if timeSinceLastRequest > timeInterval {
self.lastRequestTime = Date()
return true
}
if maxRequests > 0 && maxRequests <= requestsCount {
return false
}
return true
}
private var requestsCount: Int {
guard let lastRequestTime = lastRequestTime else {
return 0
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
return Int(timeSinceLastRequest / timeInterval)
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
guard let lastRequestTime = lastRequestTime else {
self.lastRequestTime = Date()
return true
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
if timeSinceLastRequest > timeInterval {
self.lastRequestTime = Date()
return true
}
if maxRequests > 0 && maxRequests <= requestsCount {
return false
}
return true
}
private var requestsCount: Int {
guard let lastRequestTime = lastRequestTime else {
return 0
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
return Int(timeSinceLastRequest / timeInterval)
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
guard let lastRequestTime = lastRequestTime else {
self.lastRequestTime = Date()
return true
}
let timeSinceLastRequest = Date().timeIntervalSince(lastRequestTime)
if timeSince
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
requestCount += 1
if requestCount > maxRequests {
requestCount = 0
lastRequestTime = nil
return false
}
lastRequestTime = currentTime
return true
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
requestCount += 1
if requestCount > maxRequests {
requestCount = 0
lastRequestTime = nil
return false
}
lastRequestTime = currentTime
return true
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
requestCount += 1
if requestCount > maxRequests {
requestCount = 0
lastRequestTime = nil
return false
}
lastRequestTime = currentTime
return true
}
}
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
requestCount += 1
if requestCount > maxRequests {
requestCount = 0
lastRequestTime = nil
return false
}
lastRequestTime = currentTime
return true
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
requestCount += 1
if requestCount > maxRequests {
requestCount = 0
lastRequestTime = nil
return false
}
lastRequestTime = currentTime
return true
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
requestCount += 1
if requestCount > maxRequests {
requestCount = 0
lastRequestTime = nil
return false
}
lastRequestTime = currentTime
return true
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
requestCount += 1
if requestCount > maxRequests {
requestCount = 0
lastRequestTime = nil
return false
}
lastRequestTime = currentTime
return true
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
requestCount += 1
if requestCount > maxRequests {
requestCount = 0
lastRequestTime = nil
return false
}
lastRequestTime = currentTime
return true
}
}
// 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.
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime, currentTime.time
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter4'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date = Date()
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
let timeSinceLastRequest = currentTime.timeIntervalSince(lastRequestTime)
if requests < maxRequests && timeSinceLastRequest > timeInterval {
requests += 1
lastRequestTime = currentTime
return true
}
return false
}
}
// Rate limiter that controls the rate of actions.
// Consists with a maximum number of requests and a time interval, and includes a
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter4'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter5'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter6: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter6: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// Rate limiter that controls the rate of actions.
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter4'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter5'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter6'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
requestCount += 1
self.lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
requestCount += 1
self.lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
requestCount += 1
self.lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
requestCount += 1
self.lastRequestTime = currentTime
return true
}
return false
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
requestCount += 1
self.lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
requestCount += 1
self.lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
requestCount += 1
self.lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
requestCount += 1
self.lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: Date?
private var requestCount: Int = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date()
if let lastRequestTime = lastRequestTime,
currentTime.timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requestCount < maxRequests {
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter4'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
// 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.
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var requests: Int = 0
private var lastRequestTime: Date?
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
if let lastRequestTime = lastRequestTime,
Date().timeIntervalSince(lastRequestTime) < timeInterval {
return false
}
if requests >= maxRequests {
return false
}
requests += 1
self.lastRequestTime = Date()
return true
}
}
// Rate limiter that controls the rate of actions.
// Con
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter4'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter5'
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
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
class RateLimiter6: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
```swift
protocol RateLimiterProtocol {
init(maxRequests: Int, timeInterval: TimeInterval)
func allowRequest() -> Bool
}
// 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.
class RateLimiter: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter2: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter3: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter4: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter5: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// 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.
class RateLimiter6: RateLimiterProtocol {
private let maxRequests: Int
private let timeInterval: TimeInterval
private var lastRequestTime: TimeInterval = 0
init(maxRequests: Int, timeInterval: TimeInterval) {
self.maxRequests = maxRequests
self.timeInterval = timeInterval
}
func allowRequest() -> Bool {
let currentTime = Date().timeIntervalSinceReferenceDate
if currentTime - lastRequestTime >= timeInterval {
lastRequestTime = currentTime
return true
}
return false
}
}
// Rate limiter that controls the rate of actions.
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter2'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter3'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter4'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter5'
init(maxRequests: Int, timeInterval: TimeInterval) { // initializer requirement 'init(maxRequests:timeInterval:)' can only be satisfied by a 'required' initializer in non-final class 'RateLimiter6'
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
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomicAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomicAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment()
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomic'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomic'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomicThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomicAtomic'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe4: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe5: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe6: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe4: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe5: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe6: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe7: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe2'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe3'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe4'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe5'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe6'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterThreadSafeRead: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterThreadSafeWrite: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterThreadSafeReadWrite: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterThreadSafeReadWrite2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterThreadSafeReadWrite3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read operations.
class ThreadSafeCounterThreadSafeRead: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for write operations.
class ThreadSafeCounterThreadSafeWrite: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafeReadWrite: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafeReadWrite2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafeReadWrite3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafeReadWrite4: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment()
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeRead'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeWrite'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeReadWrite'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeReadWrite2'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeReadWrite3'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomicAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterAtomicAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment()
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomic'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomic'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomicThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomicAtomic'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafeRead: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafeWrite: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafeReadWrite: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafeReadWrite2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafeReadWrite3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read operations.
class ThreadSafeCounterThreadSafeRead: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for write operations.
class ThreadSafeCounterThreadSafeWrite: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafeReadWrite: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafeReadWrite2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafeReadWrite3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafeReadWrite4: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
defer { lock
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeRead'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeWrite'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeReadWrite'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeReadWrite2'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafeReadWrite3'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe2: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe3: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe4: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe5: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe6: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe2: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe3: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe4: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe5: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe6: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe7: ThreadSafeCounterProtocol {
private var _value: Int
private let lock = NSLock()
init(value: Int) {
self._value = value
}
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe2'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe3'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe4'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe5'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe6'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterAtomicAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterAtomicAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicAtomic: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterAtomicAtomicAtomicThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomic'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomic'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomicThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterAtomicAtomicAtomic'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe4: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe5: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe6: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe4: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe5: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe6: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe7: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
defer {
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe2'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe3'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe4'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe5'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe6'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterRead: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterWrite: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
}
class ThreadSafeCounterReadWrite: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
class ThreadSafeCounterReadAndWrite: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
class ThreadSafeCounterReadAndWrite2: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
class ThreadSafeCounterReadAndWrite3: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
class ThreadSafeCounterReadAndWrite4: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
class ThreadSafeCounterReadAndWrite5: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
class ThreadSafeCounterReadAndWrite6: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read operations.
class ThreadSafeCounterRead: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for write operations.
class ThreadSafeCounterWrite: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterReadWrite: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterReadAndWrite: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterReadAndWrite2: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterReadAndWrite3: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterReadAndWrite4: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterReadAndWrite5: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterReadAndWrite6: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return value
}
func increment() {
value += 1
}
}
// Counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterReadAndWrite7: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func currentValue() -> Int {
return
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
class ThreadSafeCounterRead: ThreadSafeCounterProtocol { // type 'ThreadSafeCounterRead' does not conform to protocol 'ThreadSafeCounterProtocol'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterRead'
class ThreadSafeCounterWrite: ThreadSafeCounterProtocol { // type 'ThreadSafeCounterWrite' does not conform to protocol 'ThreadSafeCounterProtocol'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterWrite'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterReadWrite'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterReadAndWrite'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterReadAndWrite2'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterReadAndWrite3'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterReadAndWrite4'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterReadAndWrite5'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterReadAndWrite6'
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
class ThreadSafeCounterThreadSafe2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe4: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe5: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
class ThreadSafeCounterThreadSafe6: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
```swift
protocol ThreadSafeCounterProtocol {
init(value: Int)
func increment()
func currentValue() -> Int
}
// Basic number counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounter: ThreadSafeCounterProtocol {
private var value: Int
init(value: Int) {
self.value = value
}
func increment() {
value += 1
}
func currentValue() -> Int {
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
init(value: Int) {
self.value = value
}
func increment() {
lock.lock()
value += 1
lock.unlock()
}
func currentValue() -> Int {
lock.lock()
let value = self.value
lock.unlock()
return value
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe2: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe3: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe4: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe5: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe6: ThreadSafeCounterProtocol {
private var value: Int
private let lock = NSLock()
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
}
}
// Thread-safe counter with possibility to increment counter and access current value.
// Thread-safe for read and write operations.
class ThreadSafeCounterThreadSafe7: ThreadSafeCounterProtocol {
private var value: Int
private let lock =
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounter'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe2'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe3'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe4'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe5'
init(value: Int) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ThreadSafeCounterThreadSafe6'
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
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
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private var value: Output
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
}
}
// Example usage:
let pipeline = Pipeline<String>(value: "Hello, ")
.pipe { $0 + "World!" }
.pipe { $0 + "!" }
.execute()
print(pipeline) // Output: "Hello, World!"
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
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
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
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private let value: Output
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
}
}
// Example usage:
let pipeline = Pipeline<String>(value: "Hello, ")
.pipe { $0 + "World!" }
.pipe { $0 + "!" }
.execute()
print(pipeline) // Output: "Hello, World!"
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private var value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
// Example usage:
let pipeline = Pipeline(value: 10)
.pipe { $0 + 5 }
.pipe { $0 * 2 }
.pipe { $0 - 3 }
.execute()
print(pipeline) // Output: 18
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
return Pipeline(value: transform(value)) // cannot convert value of type 'U' to expected argument type 'Output'
return Pipeline(value: transform(value)) // cannot convert return expression of type 'Pipeline<Output>' to return type 'Pipeline<U>'
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
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private let value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
// Example usage:
let pipeline = Pipeline(value: 1)
.pipe { $0 + 2 }
.pipe { $0 * 3 }
.pipe { $0 - 4 }
.execute()
print(pipeline) // Output: 5
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
return Pipeline(value: transform(value)) // cannot convert value of type 'U' to expected argument type 'Output'
return Pipeline(value: transform(value)) // cannot convert return expression of type 'Pipeline<Output>' to return type 'Pipeline<U>'
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
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
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private var value: Output
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
}
}
// Example usage:
let pipeline = Pipeline(value: 10)
.pipe { $0 + 5 }
.pipe { $0 * 2 }
.pipe { $0 - 3 }
.execute()
print(pipeline) // Output: 18
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private var value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
// Example usage:
let pipeline = Pipeline(value: "Hello, ")
.pipe { $0 + "World!" }
.pipe { $0 + "!" }
.execute()
print(pipeline) // Output: "Hello, World!"
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
return Pipeline(value: transform(value)) // cannot convert value of type 'U' to expected argument type 'Output'
return Pipeline(value: transform(value)) // cannot convert return expression of type 'Pipeline<Output>' to return type 'Pipeline<U>'
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
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private let value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
// Example usage:
let pipeline = Pipeline(value: 10)
.pipe { $0 + 5 }
.pipe { $0 * 2 }
.pipe { $0 - 3 }
.execute()
print(pipeline) // Output: 18
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
return Pipeline(value: transform(value)) // cannot convert value of type 'U' to expected argument type 'Output'
return Pipeline(value: transform(value)) // cannot convert return expression of type 'Pipeline<Output>' to return type 'Pipeline<U>'
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private var value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
// Example usage:
let pipeline = Pipeline(value: 10)
.pipe { $0 + 5 }
.pipe { $0 * 2 }
.pipe { $0 - 3 }
.execute()
print(pipeline) // Output: 16
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
return Pipeline(value: transform(value)) // cannot convert value of type 'U' to expected argument type 'Output'
return Pipeline(value: transform(value)) // cannot convert return expression of type 'Pipeline<Output>' to return type 'Pipeline<U>'
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
class Pipeline<Output>: PipelineProtocol {
private var value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private var value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
// Example usage:
let pipeline = Pipeline(value: 10)
.pipe { $0 + 5 }
.pipe { $0 * 2 }
.pipe { $0 - 3 }
.execute()
print(pipeline) // Output: 18
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
return Pipeline(value: transform(value)) // cannot convert return expression of type 'Pipeline<Output>' to return type 'Pipeline<U>'
return Pipeline(value: transform(value)) // cannot convert value of type 'U' to expected argument type 'Output'
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
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
```swift
protocol PipelineProtocol {
associatedtype Output
init(value: Output)
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
func execute() -> Output
}
// 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.
class Pipeline<Output>: PipelineProtocol {
private let value: Output
init(value: Output) {
self.value = value
}
func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
return Pipeline(value: transform(value))
}
func execute() -> Output {
return value
}
}
// Example usage:
let pipeline = Pipeline(value: 1)
.pipe { $0 + 1 }
.pipe { $0 * 2 }
.pipe { $0 - 3 }
.execute()
print(pipeline) // Output: 2
<|file_separator|>
init(value: Output) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'Pipeline<Output>'
return Pipeline(value: transform(value)) // cannot convert value of type 'U' to expected argument type 'Output'
return Pipeline(value: transform(value)) // cannot convert return expression of type 'Pipeline<Output>' to return type 'Pipeline<U>'
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(set) var value: Value
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(Harrison: observer)
}
func notifyObservers() {
observers.values.forEach { $0(value) }
}
}
class User {
let name = ObservableProperty(value: "William")
let age = ObservableProperty(value: 30)
let isLoggedIn = ObservableProperty(value: false)
func login() {
name.value = "John"
age.value = 35
isLoggedIn.value = true
}
func logout() {
name.value = "John"
age.value = 30
isLoggedIn.value = false
}
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
private(set) var value: Value
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(Harrison: observer)
}
func notifyObservers() {
observers.values.forEach { $0(value) }
}
}
// Example usage:
class User {
let name = ObservableProperty(value: "William")
let age = ObservableProperty(value: 30)
let isLoggedIn = ObservableProperty(value: false)
func login() {
name.value = "John"
age.value = 35
isLoggedIn.value = true
}
func logout() {
name.value = "John"
age.value = 30
isLoggedIn.value = false
}
}
// Example usage:
let user = User()
let nameObserver = user.name.subscribe { value in
print("Name: \(value)")
}
let ageObserver = user.age.subscribe { value in
print("Age: \(value)")
}
let isLoggedInObserver = user.isLoggedIn.subscribe { value in
print("Is logged in: \(value)")
}
// Example usage:
user.login()
user.logout()
// Output:
// Name: John
// Age: 35
// Is logged in: true
// Name: John
// Age: 30
// Is logged in: false
<|file_separator|>
private(set) var value: Value // setter for property 'value' must be declared internal because it matches a requirement in internal protocol 'ObservablePropertyProtocol'
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Harrison: observer) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
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 {
for observer in observers.values {
observer(value)
}
}
}
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(Harrison: observer)
}
}
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
var value: Value {
didSet {
for observer in observers.values {
observer(value)
}
}
}
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(Harrison: observer)
}
}
// Example usage:
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
}
// Create a user
let user = User()
// Subscribe to name changes
let nameObserver = user.name.subscribe { name in
print("Name changed to: \(name)")
}
// Subscribe to age changes
let ageObserver = user.age.subscribe { age in
print("Age changed to: \(age)")
}
// Change name and age
user.name.value = "John"
user.age.value = 35
// Unsubscribe from age changes
user.age.unsubscribe(ageObserver)
// Change name again
user.name.value = "Jane"
<|file_separator|>
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Harrison: observer) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
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
init(value: Value) {
_value = value
}
var value: Value {
get {
return _value
}
set {
if _value != newValue {
_value = newValue
observers.values.forEach { $0(_value) }
}
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(Wilson: observer)
}
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
private var _value: Value
init(value: Value) {
_value = value
}
var value: Value {
get {
return _value
}
set {
if _value != newValue {
_value = newValue
observers.values.forEach { $0(_value) }
}
}
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let id = UUID()
observers[id] = observer
return id
}
func unsubscribe(_ observer: UUID) {
observers.removeValue(Wilson: observer)
}
}
// Example usage:
let property = ObservableProperty(value: 0)
let observer1 = property.subscribe { value in
print("Observer 1: Value changed to \(value)")
}
let observer2 = property.subscribe { value in
print("Observer 2: Value changed to \(value)")
}
property.value = 10
property.unsubscribe(observer1)
property.value = 20
<|file_separator|>
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
if _value != newValue { // binary operator '!=' cannot be applied to two 'Value' operands
observers.removeValue(Wilson: observer) // incorrect argument label in call (have 'Wilson:', expected 'forKey:')
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(set) var value: Value
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(Harrison: observer)
}
func notifyObservers() {
observers.values.forEach { $0(value) }
}
}
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
private(set) var value: Value
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(Harrison: observer)
}
func notifyObservers() {
observers.values.forEach { $0(value) }
}
}
// Example usage:
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
}
// Create a User object
let user = User()
// Subscribe to the name property
let nameObserver = user.name.subscribe { name in
print("Name changed to: \(name)")
}
// Subscribe to the age property
let ageObserver = user.age.subscribe { age in
print("Age changed to: \(age)")
}
// Change the name and age properties
user.name.value = "John"
user.age.value = 35
// Unsubscribe from the age property
user.age.unsubscribe(ageObserver)
// Change the age property again
user.age.value = 40
// Unsubscribe from all observers
user.name.unsubscribe(nameObserver)
<|file_separator|>
private(set) var value: Value // setter for property 'value' must be declared internal because it matches a requirement in internal protocol 'ObservablePropertyProtocol'
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Harrison: observer) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
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 {
for observer in observers.values {
observer(value)
}
}
}
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(Harrison: observer)
}
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
var value: Value {
didSet {
for observer in observers.values {
observer(value)
}
}
}
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(Harrison: observer)
}
}
// Example usage:
let property = ObservableProperty(value: 0)
let observer1 = property.subscribe { value in
print("Observer 1: Value changed to \(value)")
}
let observer2 = property.subscribe { value in
print("Observer 2: Value changed to \(value)")
}
property.value = 10
property.unsubscribe(observer1)
property.value = 20
<|file_separator|>
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Harrison: observer) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
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
init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ uuid: UUID) {
observers.removeValue(Wilson: uuid)
}
func notifyObservers() {
observers.forEach { $1(value) }
}
var value: Value {
didSet {
notifyObservers()
}
}
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
private var value: Value
init(value: Value) {
self.value = value
}
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
let uuid = UUID()
observers[uuid] = observer
return uuid
}
func unsubscribe(_ uuid: UUID) {
observers.removeValue(Wilson: uuid)
}
func notifyObservers() {
observers.forEach { $1(value) }
}
var value: Value {
didSet {
notifyObservers()
}
}
}
// Example usage:
let observableProperty = ObservableProperty(value: 0)
let observer1 = observableProperty.subscribe { newValue in
print("Observer 1: New value is \(newValue)")
}
let observer2 = observableProperty.subscribe { newValue in
print("Observer 2: New value is \(newValue)")
}
observableProperty.value = 10
observableProperty.unsubscribe(observer1)
observableProperty.value = 20
<|file_separator|>
private var value: Value // property 'value' must be declared internal because it matches a requirement in internal protocol 'ObservablePropertyProtocol'
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Wilson: uuid) // incorrect argument label in call (have 'Wilson:', expected 'forKey:')
var value: Value { // invalid redeclaration of '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> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
private(set) var value: Value
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(Harrison: observer)
}
func notifyObservers() {
observers.values.forEach { $0(value) }
}
}
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
let isLoggedIn = ObservableProperty(value: true)
func login() {
isLoggedIn.value = true
}
func logout() {
isLoggedIn.value = false
}
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
private(set) var value: Value
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(Harrison: observer)
}
func notifyObservers() {
observers.values.forEach { $0(value) }
}
}
// Example usage:
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
let isLoggedIn = ObservableProperty(value: true)
func login() {
isLoggedIn.value = true
}
func logout() {
isLoggedIn.value = false
}
}
// Usage:
let user = User()
let observer1 = user.name.subscribe { name in
print("Name changed to: \(name)")
}
let observer2 = user.age.subscribe { age in
print("Age changed to: \(age)")
}
user.name.value = "John"
user.age.value = 35
user.logout()
// Output:
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed to: 35
// Name changed to: John
// Age changed
private(set) var value: Value // setter for property 'value' must be declared internal because it matches a requirement in internal protocol 'ObservablePropertyProtocol'
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Harrison: observer) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
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
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(Wilson: observer)
}
func notify(_ value: Value) {
observers.values.forEach { $0(value) }
}
}
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
var value: Value
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(Wilson: observer)
}
func notify(_ value: Value) {
observers.values.forEach { $0(value) }
}
}
// Example usage:
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
}
// Usage:
let user = User()
let nameObserver = user.name.subscribe { name in
print("Name changed to: \(name)")
}
let ageObserver = user.age.subscribe { age in
print("Age changed to: \(age)")
}
user.name.value = "William"
user.age.value = 35
user.name.unsubscribe(nameObserver)
user.age.unsubscribe(ageObserver)
<|file_separator|>
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Wilson: observer) // incorrect argument label in call (have 'Wilson:', expected 'forKey:')
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 {
for observer in observers.values {
observer(value)
}
}
}
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(Harrison: observer)
}
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
var value: Value {
didSet {
for observer in observers.values {
observer(value)
}
}
}
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(Harrison: observer)
}
}
// Example usage:
let property = ObservableProperty(value: 0)
let observer1 = property.subscribe { value in
print("Observer 1: Value changed to \(value)")
}
let observer2 = property.subscribe { value in
print("Observer 2: Value changed to \(value)")
}
property.value = 10
property.unsubscribe(observer1)
property.value = 20
<|file_separator|>
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Harrison: observer) // incorrect argument label in call (have 'Harrison:', expected 'forKey:')
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) }
}
}
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(Wilson: observer)
}
}
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
let isLoggedIn = ObservableProperty(value: true)
}
```swift
protocol ObservablePropertyProtocol {
associatedtype Value
init(value: Value)
var value: Value { get set }
func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
func unsubscribe(_ observer: UUID)
}
// Generic observable property that notifies observers of value changes.
class ObservableProperty<Value> : ObservablePropertyProtocol {
private var observers = [UUID: (Value) -> Void]()
var value: Value {
didSet {
observers.values.forEach { $0(value) }
}
}
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(Wilson: observer)
}
}
// Example usage:
class User {
let name = ObservableProperty(value: "John")
let age = ObservableProperty(value: 30)
let isLoggedIn = ObservableProperty(value: true)
}
// Usage:
let user = User()
let nameObserver = user.name.subscribe { value in
print("Name changed to: \(value)")
}
let ageObserver = user.age.subscribe { value in
print("Age changed to: \(value)")
}
let isLoggedInObserver = user.isLoggedIn.subscribe { value in
print("Is logged in changed to: \(value)")
}
// Change the value of the properties
user.name.value = "John"
user.age.value = 35
user.isLoggedIn.value = false
// Remove the observers
user.name.unsubscribe(nameObserver)
user.age.unsubscribe(ageObserver)
user.isLoggedIn.unsubscribe(isLoggedInObserver)
<|file_separator|>
init(value: Value) { // initializer requirement 'init(value:)' can only be satisfied by a 'required' initializer in non-final class 'ObservableProperty<Value>'
observers.removeValue(Wilson: observer) // incorrect argument label in call (have 'Wilson:', expected 'forKey:')
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, range)
self.range = range
}
}
struct Point {
@Clamped(0...100, -100...100)
var x: Int
@Clamped(0...100, -100...100)
var y: Int
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, range)
self.range = range
}
}
// Example usage:
struct Point {
@Clamped(0...100, -100...100)
var x: Int
@Clamped(0...100, -100...100)
var y: Int
}
// Create a Point instance with values within the specified range.
let point = Point(x: 50, y: 50)
print(point.x) // Output: 50
print(point.y) // Output: 50
// Create a Point instance with values outside the specified range.
let point2 = Point(x: 150, y: 150)
print(point2.x) // Output: 100
print(point2.y) // Output: 100
<|file_separator|>
self.wrappedValue = Value(clamping: wrappedValue, range) // type 'Value' has no member 'init'
@Clamped(0...100, -100...100) // missing argument label 'wrappedValue:' in call
@Clamped(0...100, -100...100) // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
@Clamped(0...100, -100...100) // missing argument label 'wrappedValue:' in call
@Clamped(0...100, -100...100) // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, in: range)
self.range = range
}
}
struct Point {
@Clamped(0...100, -100...100)
var x: Int
@Clamped(0...100, -100...100)
var y: Int
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, in: range)
self.range = range
}
}
// Example usage:
struct Point {
@Clamped(0...100, -100...100)
var x: Int
@Clamped(0...100, -100...100)
var y: Int
}
// Create a Point instance with values within the specified range.
let point = Point(x: 50, y: 50)
print(point.x) // Output: 50
print(point.y) // Output: 50
// Attempt to set values outside the range and see what happens.
point.x = 150
print(point.x) // Output: 100
// Attempt to set values outside the range and see what happens.
point.y = -150
print(point.y) // Output: -100
<|file_separator|>
self.wrappedValue = Value(clamping: wrappedValue, in: range) // type 'Value' has no member 'init'
@Clamped(0...100, -100...100) // missing argument label 'wrappedValue:' in call
@Clamped(0...100, -100...100) // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
@Clamped(0...100, -100...100) // missing argument label 'wrappedValue:' in call
@Clamped(0...100, -100...100) // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
self.range = range
}
}
extension Clamped where Value: FloatingPoint {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: SignedInteger {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: BinaryInteger {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: FixedWidthInteger {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
self.range = range
}
}
extension Clamped where Value: FloatingPoint {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: SignedInteger {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: BinaryInteger {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: FixedWidthInteger {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.clamp(wrappedValue, range)
}
}
extension Clamped where Value: Comparable {
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value.
struct Clamped<Value: Comparable>: ClampedProtocol { // type 'Clamped<Value>' does not conform to protocol 'ClampedProtocol'
self.wrappedValue = Value.clamp(wrappedValue, range) // type 'Value' has no member 'clamp'
self.wrappedValue = Value.clamp(wrappedValue, range) // type 'Value' has no member 'clamp'
self.wrappedValue = Value.clamp(wrappedValue, range) // type 'Value' has no member 'clamp'
self.wrappedValue = Value.clamp(wrappedValue, range) // type 'Value' has no member 'clamp'
self.wrappedValue = Value.clamp(wrappedValue, range) // type 'Value' has no member 'clamp'
init(wrappedValue: Value, _ range: ClosedRange<Value>) { // invalid redeclaration of 'init(wrappedValue:_:)'
self.wrappedValue = Value.clamp(wrappedValue, range) // type 'Value' has no member 'clamp'
@Clamped(0...10) var value: Int = 0 // ambiguous use of 'init(wrappedValue:_:)'
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, range)
self.range = range
}
}
struct Point {
@Clamped(0...100, -10...10)
var x: Int
@Clamped(0...100, -10...10)
var y: Int
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, range)
self.range = range
}
}
// Example usage:
struct Point {
@Clamped(0...100, -10...10)
var x: Int
@Clamped(0...100, -10...10)
var y: Int
}
// Create a Point instance with values within the specified range.
let point = Point(x: 50, y: 50)
print(point.x) // 50
print(point.y) // 50
// Create a Point instance with values outside the specified range.
let outOfRangePoint = Point(x: 1000, y: -1000)
print(outOfRangePoint.x) // 100
print(outOfRangePoint.y) // -10
<|file_separator|>
self.wrappedValue = Value(clamping: wrappedValue, range) // type 'Value' has no member 'init'
@Clamped(0...100, -10...10) // missing argument label 'wrappedValue:' in call
@Clamped(0...100, -10...10) // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
@Clamped(0...100, -10...10) // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
@Clamped(0...100, -10...10) // missing argument label 'wrappedValue:' in call
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
var projectedValue: Clamped<Value> {
get {
return Clamped(wrappedValue: wrappedValue, range)
}
set {
wrappedValue = newValue.wrappedValue
}
}
init(wrappedValue: Value) {
self.wrappedValue = wrappedValue
self.range = 0...wrappedValue
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
}
struct Example {
@Clamped(0...100) var age: Int
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
var projectedValue: Clamped<Value> {
get {
return Clamped(wrappedValue: wrappedValue, range)
}
set {
wrappedValue = newValue.wrappedValue
}
}
init(wrappedValue: Value) {
self.wrappedValue = wrappedValue
self.range = 0...wrappedValue
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = wrappedValue
self.range = range
}
}
// Example usage:
struct Example {
@Clamped(0...100) var age: Int
}
// Create an example struct with a property that is clamped to a range of 0 to 100.
let example = Example(age: 50)
print(example.age) // 50
example.age = 150 // This will be clamped to 100
print(example.age) // 100
<|file_separator|>
self.range = range // cannot assign value of type 'Range<Value>' to type 'ClosedRange<Value>'
init(wrappedValue: Value, _ range: ClosedRange<Value>) { // invalid redeclaration of 'init(wrappedValue:_:)'
init(wrappedValue: Value, _ range: Range<Value>) { // invalid redeclaration of 'init(wrappedValue:_:)'
self.range = range // cannot assign value of type 'Range<Value>' to type 'ClosedRange<Value>'
self.range = 0...wrappedValue // cannot convert value of type 'Int' to expected argument type 'Value'
init(wrappedValue: Value, _ range: ClosedRange<Value>) { // invalid redeclaration of 'init(wrappedValue:_:)'
init(wrappedValue: Value, _ range: Range<Value>) { // invalid redeclaration of 'init(wrappedValue:_:)'
self.range = range // cannot assign value of type 'Range<Value>' to type 'ClosedRange<Value>'
@Clamped(0...100) var age: Int // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
@Clamped(0...100) var age: Int // missing argument label 'wrappedValue:' in call
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = min(max(wrappedValue, range.lowerBound), range.upperBound)
self.range = range
}
}
struct Point {
@Clamped(0...100, -100...100) var x: Int
@Clamped(0...100, -100...100) var y: Int
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = min(max(wrappedValue, range.lowerBound), range.upperBound)
self.range = range
}
}
// Example usage:
struct Point {
@Clamped(0...100, -100...100) var x: Int
@Clamped(0...100, -100...100) var y: Int
}
// Create a Point instance with values within the specified range:
let point = Point(x: 50, y: 50)
print(point.x) // Output: 50
print(point.y) // Output: 50
// Modify the value of x to exceed the range:
point.x = 150
print(point.x) // Output: 100
// Modify the value of y to exceed the range:
point.y = -150
print(point.y) // Output: -100
<|file_separator|>
@Clamped(0...100, -100...100) var x: Int // missing argument label 'wrappedValue:' in call
@Clamped(0...100, -100...100) var x: Int // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
@Clamped(0...100, -100...100) var y: Int // cannot convert value of type 'ClosedRange<Int>' to expected argument type 'Int'
@Clamped(0...100, -100...100) var y: Int // missing argument label 'wrappedValue:' in call
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = min(max(wrappedValue, range.lowerBound), range.upperBound)
self.range = range
}
}
struct Point {
@Clamped(0...100) var x: Int
@Clamped(0...100) var y: Int
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = min(max(wrappedValue, range.lowerBound), range.upperBound)
self.range = range
}
}
// Example usage:
struct Point {
@Clamped(0...100) var x: Int
@Clamped(0...100) var y: Int
}
// Create a Point instance with a value outside the range.
let point = Point(x: 1000, y: 1000) // Point(x: 100, y: 100)
<|file_separator|>
@Clamped(0...100) var x: Int // missing argument for parameter 'wrappedValue' in call
@Clamped(0...100) var y: Int // missing argument for parameter 'wrappedValue' in call
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = min(max(wrappedValue, range.lowerBound), range.upperBound)
self.range = range
}
}
struct Point {
@Clamped(0...100) var x: Int
@Clamped(0...100) var y: Int
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = min(max(wrappedValue, range.lowerBound), range.upperBound)
self.range = range
}
}
// Example usage:
struct Point {
@Clamped(0...100) var x: Int
@Clamped(0...100) var y: Int
}
// Create a Point instance with a clamped x and y value.
let point = Point(x: 50, y: 75)
print(point.x) // 50
print(point.y) // 75
<|file_separator|>
@Clamped(0...100) var x: Int // missing argument for parameter 'wrappedValue' in call
@Clamped(0...100) var y: Int // missing argument for parameter 'wrappedValue' in call
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, in: range)
self.range = range
}
}
struct Point {
@Clamped(0...100) var x: Int
@Clamped(0...100) var y: Int
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, in: range)
self.range = range
}
}
// Example usage:
struct Point {
@Clamped(0...100) var x: Int
@Clamped(0...100) var y: Int
}
// Create a Point instance with values within the specified range.
let point = Point(x: 50, y: 75)
print(point.x) // 50
print(point.y) // 75
// Create a Point instance with values outside the specified range.
let point2 = Point(x: 1000, y: 1000)
print(point2.x) // 100
print(point2.y) // 100
<|file_separator|>
self.wrappedValue = Value(clamping: wrappedValue, in: range) // type 'Value' has no member 'init'
@Clamped(0...100) var x: Int // missing argument for parameter 'wrappedValue' in call
@Clamped(0...100) var y: Int // missing argument for parameter 'wrappedValue' in call
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
```swift
protocol ClampedProtocol {
associatedtype Value: Comparable
init(wrappedValue: Value, _ range: ClosedRange<Value>)
}
// Property wrapper that clamps value within a specified range.
@propertyWrapper
struct Clamped<Value: Comparable>: ClampedProtocol {
var wrappedValue: Value
var range: ClosedRange<Value>
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: ClosedRange<Value>) {
self.wrappedValue = Value(clamping: wrappedValue, within: range)
self.range = range
}
init(wrappedValue: Value, _ range: Range<Value>) {
self.wrapped
@Clamped(0...10) var value: Int = 0 // unknown attribute 'Clamped'
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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged2<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged3<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged4<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged5<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged6<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged7<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged8<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged2<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged3<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged4<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged5<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged6<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged7<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged8<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged9<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
struct Logged<Value>: LoggedProtocol { // property wrapper type 'Logged' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged2<Value>: LoggedProtocol { // property wrapper type 'Logged2' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged3<Value>: LoggedProtocol { // property wrapper type 'Logged3' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged4<Value>: LoggedProtocol { // property wrapper type 'Logged4' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged5<Value>: LoggedProtocol { // property wrapper type 'Logged5' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged6<Value>: LoggedProtocol { // property wrapper type 'Logged6' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged7<Value>: LoggedProtocol { // property wrapper type 'Logged7' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged8<Value>: LoggedProtocol { // property wrapper type 'Logged8' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Self {
get {
logger(.get, wrappedValue)
return self
}
set {
wrappedValue = newValue.wrappedValue
logger(.set, wrappedValue)
}
}
}
struct User {
@Logged(wrappedValue: 0, logger: { event, value in
print("User.logged: \(event) \(value)")
})
var age: Int
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Self {
get {
logger(.get, wrappedValue)
return self
}
set {
wrappedValue = newValue.wrappedValue
logger(.set, wrappedValue)
}
}
}
// Example usage:
struct User {
@Logged(wrappedValue: 0, logger: { event, value in
print("User.logged: \(event) \(value)")
})
var age: Int
}
let user = User(age: 30)
user.age = 31
print(user.age) // Prints "User.logged: get 30"
print(user.age) // Prints "User.logged: set 31"
<|file_separator|>
struct Logged<Value>: LoggedProtocol { // property wrapper type 'Logged' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Self {
get {
logger(.get, wrappedValue)
return self
}
set {
wrappedValue = newValue.wrappedValue
logger(.set, wrappedValue)
}
}
}
struct User {
@Logged(wrappedValue: 0, logger: { (event, value) in
print("User.logged: \(event) \(value)")
})
var age: Int
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Self {
get {
logger(.get, wrappedValue)
return self
}
set {
wrappedValue = newValue.wrappedValue
logger(.set, wrappedValue)
}
}
}
// Example usage:
struct User {
@Logged(wrappedValue: 0, logger: { (event, value) in
print("User.logged: \(event) \(value)")
})
var age: Int
}
// Create a User instance and log its age.
var user = User(age: 30)
print(user.age) // 30
user.age = 35
print(user.age) // 35
<|file_separator|>
struct Logged<Value>: LoggedProtocol { // property wrapper type 'Logged' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Logged<Value> {
get {
return self
}
set {
wrappedValue = newValue.wrappedValue
}
}
mutating func set(value: Value) {
wrappedValue = value
logger(.set, value)
}
mutating func get() -> Value {
logger(.get, wrappedValue)
return wrappedValue
}
}
struct Logger {
static func log(event: Event, value: Int) {
print("Logged: \(event) \(value)")
}
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Logged<Value> {
get {
return self
}
set {
wrappedValue = newValue.wrappedValue
}
}
mutating func set(value: Value) {
wrappedValue = value
logger(.set, value)
}
mutating func get() -> Value {
logger(.get, wrappedValue)
return wrappedValue
}
}
// Example usage:
struct Logger {
static func log(event: Event, value: Int) {
print("Logged: \(event) \(value)")
}
}
var counter = 0
var counter2 = 0
var counter3 = 0
var counterLogged = Logged(wrappedValue: 0) { event, value in
Logger.log(event: event, value: value)
}
var counterLogged2 = Logged(wrappedValue: 0) { event, value in
Logger.log(event: event, value: value)
}
var counterLogged3 = Logged(wrappedValue: 0) { event, value in
Logger.log(event: event, value: value)
}
counterLogged.set(value: 1)
counterLogged2.set(value: 2)
counterLogged3.set(value: 3)
<|file_separator|>
struct Logged<Value>: LoggedProtocol { // property wrapper type 'Logged' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged2<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged3<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged4<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged5<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged6<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged7<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
@propertyWrapper
struct Logged8<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged2<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged3<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged4<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged5<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged6<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged7<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged8<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged9<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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
struct Logged<Value>: LoggedProtocol { // property wrapper type 'Logged' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged2<Value>: LoggedProtocol { // property wrapper type 'Logged2' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged3<Value>: LoggedProtocol { // property wrapper type 'Logged3' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged4<Value>: LoggedProtocol { // property wrapper type 'Logged4' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged5<Value>: LoggedProtocol { // property wrapper type 'Logged5' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged6<Value>: LoggedProtocol { // property wrapper type 'Logged6' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged7<Value>: LoggedProtocol { // property wrapper type 'Logged7' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
struct Logged8<Value>: LoggedProtocol { // property wrapper type 'Logged8' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Self {
get {
logger(.get, wrappedValue)
return self
}
set {
wrappedValue = newValue.wrappedValue
logger(.set, wrappedValue)
}
}
}
struct User {
@Logged(wrappedValue: 0) var age: Int
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Self {
get {
logger(.get, wrappedValue)
return self
}
set {
wrappedValue = newValue.wrappedValue
logger(.set, wrappedValue)
}
}
}
// Example usage:
struct User {
@Logged(wrappedValue: 0) var age: Int
}
// Usage:
let user = User()
user.age = 30
print(user.age) // Logs "get" and "set" events
<|file_separator|>
struct Logged<Value>: LoggedProtocol { // property wrapper type 'Logged' has multiple non-static properties named 'wrappedValue'
var wrappedValue: Value { // invalid redeclaration of 'wrappedValue'
logger(.set, wrappedValue) // ambiguous use of 'wrappedValue'
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrappedValue: Value {
didSet {
logger(.set, wrappedValue)
}
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return self
}
var projectedValue: Logged<Value> {
return
let logger: (Event, Int) -> Void = { // immutable value 'logger' was never used; consider replacing with '_' or removing it
@Logged(logger: logger) var value: Int = 0 // unknown attribute 'Logged'
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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
struct User {
@Logged(wrappedValue: 0, logger: { event, value in
print("User.logged: \(event) \(value)")
})
var age: Int
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Example usage:
struct User {
@Logged(wrappedValue: 0, logger: { event, value in
print("User.logged: \(event) \(value)")
})
var age: Int
}
// Create a User instance and log its age.
let user = User(age: 30)
print(user.age) // 30
user.age = 35
print(user.age) // 35
<|file_separator|>
// 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 {
var wrappedValue: Value
var logger: (Event, Value) -> Void
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.wrappedValue = wrappedValue
self.logger = logger
}
var wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
@propertyWrapper
struct Logged2<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
@propertyWrapper
struct Logged3<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
@propertyWrapper
struct Logged4<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
@propertyWrapper
struct Logged5<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
@propertyWrapper
struct Logged6<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
@propertyWrapper
struct Logged7<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged2<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged3<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged4<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged5<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged6<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged7<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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Property wrapper that logs access and modification of the wrapped property.
@propertyWrapper
struct Logged8<Value>:
// 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 {
var wrappedValue: Value
let logger: (Event, Value) -> Void
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
self.wrappedValue = wrappedValue
self.logger = logger
}
var wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
struct User {
@Logged(wrappedValue: 10, logger: { event, value in
print("User.wrappedValue: \(event) \(value)")
})
var age: Int
}
```swift
enum Event {
case get, set
}
protocol LoggedProtocol {
associatedtype Value
init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}
// Property wrapper that logs access and modification of the wrapped property.
@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 wrapped: Value {
get {
logger(.get, wrappedValue)
return wrappedValue
}
set {
logger(.set, newValue)
wrappedValue = newValue
}
}
}
// Example usage:
struct User {
@Logged(wrappedValue: 10, logger: { event, value in
print("User.wrappedValue: \(event) \(value)")
})
var age: Int
}
// Create a User instance and log its age.
let user = User(age: 30)
print(user.age) // Output: User.wrappedValue: get 30
user.age = 40 // Output: User.wrappedValue: set 40
print(user.age) // Output: User.wrappedValue: get 40
<|file_separator|>
// XCTAssertEqual failed: ([]) 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
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
// Handle keyboard character selection
return nil
case .keyboardDeleteBackwards:
// Handle keyboard deletion
return nil
case .searchButtonPress:
// Handle search button press
return nil
}
}
}
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for a given city
return ""
}
}
class WeatherApplicationDependencies: WeatherApplicationDependencies {
let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
}
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
// Handle keyboard character selection
return nil
case .keyboardDeleteBackwards:
// Handle keyboard deletion
return nil
case .searchButtonPress:
// Handle search button press
return nil
}
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
// Handle keyboard character selection
return nil
case .keyboardDeleteBackwards:
// Handle keyboard deletion
return nil
case .searchButtonPress:
// Handle search button press
return nil
}
}
}
// Weather provider.
// Check forecast for a given city.
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for a given city
return ""
}
}
// Weather application dependencies.
// Provide dependencies to WeatherApplication.
class WeatherApplicationDependencies: WeatherApplicationDependencies {
let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
}
// Weather application interactions.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
// Handle keyboard character selection
return nil
case .keyboardDeleteBackwards:
// Handle keyboard deletion
return nil
case .searchButtonPress:
// Handle search button press
return nil
}
}
}
<|file_separator|>
init(provider: WeatherProvider) // 'WeatherProvider' is ambiguous for type lookup in this context
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
required init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
case .keyboardCharacterSelect(let character): // immutable value 'character' was never used; consider replacing with '_' or removing it
class WeatherProvider: WeatherProvider { // invalid redeclaration of 'WeatherProvider'
class WeatherProvider: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherApplicationDependencies: WeatherApplicationDependencies { // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
class WeatherApplicationDependencies: WeatherApplicationDependencies { // invalid redeclaration of 'WeatherApplicationDependencies'
let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherApplicationInteractions: WeatherApplicationInteractions { // invalid redeclaration of 'WeatherApplicationInteractions'
class WeatherApplicationInteractions: WeatherApplicationInteractions { // 'WeatherApplicationInteractions' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
case .keyboardCharacterSelect(let character): // immutable value 'character' was never used; consider replacing with '_' or removing it
struct WeatherProviderImplementation: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("K"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("y"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("i"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("v"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // type 'Equatable' has no member 'success'
(0..<4).forEach { _ in _ = application.handle(action: .keyboardDeleteBackwards) } // Clear search input // cannot infer contextual base in reference to member 'keyboardDeleteBackwards'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("W"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("s"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("a"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("w"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // type 'Equatable' has no member 'failure'
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 let searchBar: SearchBar
private let tableView: UITableView
private let keyboard: Keyboard
private let feedback: Feedback
init(provider: WeatherProvider,
searchBar: SearchBar,
tableView: UITableView,
keyboard: Keyboard,
feedback: Feedback) {
self.provider = provider
self.searchBar = searchBar
self.tableView = tableView
self.keyboard = keyboard
self.feedback = feedback
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBar.append(character)
case .keyboardDeleteBackwards:
searchBar.deleteBackward()
case .searchButtonPress:
guard let city = searchBar.text else {
return nil
}
do {
let forecast = try provider.forecast(for: city)
feedback.success(city: city, forecast: forecast)
} catch {
feedback.failure(city: city)
}
}
return nil
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private let searchBar: SearchBar
private let tableView: UITableView
private let keyboard: Keyboard
private let feedback: Feedback
init(provider: WeatherProvider,
searchBar: SearchBar,
tableView: UITableView,
keyboard: Keyboard,
feedback: Feedback) {
self.provider = provider
self.searchBar = searchBar
self.tableView = tableView
self.keyboard = keyboard
self.feedback = feedback
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBar.append(character)
case .keyboardDeleteBackwards:
searchBar.deleteBackward()
case .searchButtonPress:
guard let city = searchBar.text else {
return nil
}
do {
let forecast = try provider.forecast(for: city)
feedback.success(city: city, forecast: forecast)
} catch {
feedback.failure(city: city)
}
}
return nil
}
}
<|file_separator|>
private let searchBar: SearchBar // cannot find type 'SearchBar' in scope
private let tableView: UITableView // cannot find type 'UITableView' in scope
private let keyboard: Keyboard // cannot find type 'Keyboard' in scope
private let feedback: Feedback // cannot find type 'Feedback' in scope
searchBar: SearchBar, // cannot find type 'SearchBar' in scope
tableView: UITableView, // cannot find type 'UITableView' in scope
keyboard: Keyboard, // cannot find type 'Keyboard' in scope
feedback: Feedback) { // cannot find type 'Feedback' in scope
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("K"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("y"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("i"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("v"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // type 'Equatable' has no member 'success'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // cannot infer contextual base in reference to member 'searchButtonPress'
(0..<4).forEach { _ in _ = application.handle(action: .keyboardDeleteBackwards) } // Clear search input // cannot infer contextual base in reference to member 'keyboardDeleteBackwards'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("W"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("s"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("a"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("w"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // type 'Equatable' has no member 'failure'
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 let searchBar = SearchBar()
private let forecastView = ForecastView()
private let keyboard = Keyboard()
private let searchButton = SearchButton()
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBar.insert(character)
case .keyboardDeleteBackwards:
searchBar.deleteBackward()
case .searchButtonPress:
forecastView.show(for: searchBar.text)
}
}
}
class SearchBar {
var text: String = ""
func insert(_ character: Character) {
text += String(character)
}
func deleteBackward() {
text.removeLast()
}
}
class ForecastView {
func show(for city: String) {
// Show forecast for city.
}
}
class Keyboard {
func character(at index: Int) -> Character? {
// Get character at index.
}
}
class SearchButton {
func press() {
// Press search button.
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private let searchBar = SearchBar()
private let forecastView = ForecastView()
private let keyboard = Keyboard()
private let searchButton = SearchButton()
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBar.insert(character)
case .keyboardDeleteBackwards:
searchBar.deleteBackward()
case .searchButtonPress:
forecastView.show(for: searchBar.text)
}
}
}
// Search bar.
class SearchBar {
var text: String = ""
func insert(_ character: Character) {
text += String(character)
}
func deleteBackward() {
text.removeLast()
}
}
// Forecast view.
class ForecastView {
func show(for city: String) {
// Show forecast for city.
}
}
// Keyboard.
class Keyboard {
func character(at index: Int) -> Character? {
// Get character at index.
}
}
// Search button.
class SearchButton {
func press() {
// Press search button.
}
}
<|file_separator|>
init(provider: WeatherProvider) { // initializer requirement 'init(provider:)' can only be satisfied by a 'required' initializer in non-final class 'WeatherApplication'
searchBar.insert(character) // cannot convert value of type '()' to specified type 'ApplicationFeedback'
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
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
// Handle keyboard character selection.
// ...
return nil
case .keyboardDeleteBackwards:
// Handle keyboard delete backwards.
// ...
return nil
case .searchButtonPress:
// Handle search button press.
// ...
return nil
}
}
}
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// ...
return ""
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
// Handle keyboard character selection.
// ...
return nil
case .keyboardDeleteBackwards:
// Handle keyboard delete backwards.
// ...
return nil
case .searchButtonPress:
// Handle search button press.
// ...
return nil
}
}
}
// Weather provider.
// Check forecast for a given city.
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// ...
return ""
}
}
<|file_separator|>
init(provider: WeatherProvider) // 'WeatherProvider' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
required init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
case .keyboardCharacterSelect(let character): // immutable value 'character' was never used; consider replacing with '_' or removing it
class WeatherProvider: WeatherProvider { // invalid redeclaration of 'WeatherProvider'
class WeatherProvider: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
struct WeatherProviderImplementation: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("K"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("y"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("i"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("v"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // type 'Equatable' has no member 'success'
(0..<4).forEach { _ in _ = application.handle(action: .keyboardDeleteBackwards) } // Clear search input // cannot infer contextual base in reference to member 'keyboardDeleteBackwards'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("W"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("s"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("a"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("w"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // type 'Equatable' has no member 'failure'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // cannot infer contextual base in reference to member 'searchButtonPress'
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 let searchBar: SearchBar
private let forecastView: ForecastView
private let keyboard: Keyboard
private let searchButton: SearchButton
private let feedbackView: FeedbackView
private let feedbackViewPresenter: FeedbackViewPresenter
init(provider: WeatherProvider) {
self.provider = provider
searchBar = SearchBar()
forecastView = ForecastView()
keyboard = Keyboard()
searchButton = SearchButton()
feedbackView = FeedbackView()
feedbackViewPresenter = FeedbackViewPresenter()
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBar.update(with: character)
case .keyboardDeleteBackwards:
searchBar.delete()
case .searchButtonPress:
let city = searchBar.text
do {
let forecast = try provider.forecast(for: city)
forecastView.update(with: forecast)
feedbackViewPresenter.present(feedback: .success(city: city, forecast: forecast))
} catch {
feedbackViewPresenter.present(feedback: .failure(city: city))
}
}
return nil
}
}
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
// ...
return "Sunny"
}
}
class WeatherApplicationDependencies: WeatherApplicationDependencies {
let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
}
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let dependencies: WeatherApplicationDependencies
init(dependencies: WeatherApplicationDependencies) {
self.dependencies = dependencies
}
func handle(action: UserAction) -> ApplicationFeedback? {
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
// ...
return nil
}
}
class WeatherApplication: WeatherApplicationProtocol {
private let dependencies: WeatherApplicationDependencies
private let interactions: WeatherApplicationInteractions
init(dependencies: WeatherApplicationDependencies, interactions: WeatherApplicationInteractions) {
self.dependencies = dependencies
self.interactions = interactions
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private let searchBar: SearchBar
private let forecastView: ForecastView
private let keyboard: Keyboard
private let searchButton: SearchButton
private let feedbackView: FeedbackView
private let feedbackViewPresenter: FeedbackViewPresenter
init(provider: WeatherProvider) {
self.provider = provider
searchBar = SearchBar()
forecastView = ForecastView()
keyboard = Keyboard()
searchButton = SearchButton()
feedbackView = FeedbackView()
feedbackViewPresenter = FeedbackViewPresenter()
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBar.update(with: character)
case .keyboardDeleteBackwards:
searchBar.delete()
case .searchButtonPress:
let city = searchBar.text
do {
let forecast = try provider.forecast(for: city)
forecastView.update(with: forecast)
feedbackViewPresenter.present(feedback: .success(city: city, forecast: forecast))
} catch {
feedbackViewPresenter.present(feedback: .failure(city: city))
}
}
return nil
}
}
// Weather provider.
// Check forecast for given city.
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
// ...
return "Sunny"
}
}
// Weather application dependencies.
// Provide WeatherProvider to WeatherApplication.
class WeatherApplicationDependencies: WeatherApplicationDependencies {
let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
}
// Weather application interactions.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let dependencies: WeatherApplicationDependencies
init(dependencies: WeatherApplicationDependencies) {
self.dependencies = dependencies
}
func handle(action: UserAction) -> ApplicationFeedback? {
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
// ...
return nil
}
}
// Weather application.
// Provide WeatherProvider to WeatherApplication.
class WeatherApplication: WeatherApplicationProtocol {
private let dependencies: WeatherApplicationDependencies
private let interactions: WeatherApplicationInteractions
init(dependencies: WeatherApplicationDependencies, interactions: WeatherApplicationInteractions) {
self.dependencies = dependencies
self.interactions = interactions
}
}
// Weather provider.
// Check forecast for given city.
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
// ...
return "Sunny"
}
}
// Weather application dependencies.
// Provide WeatherProvider to WeatherApplication.
class WeatherApplicationDependencies: WeatherApplicationDependencies {
let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
}
// Weather application interactions.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let dependencies: WeatherApplicationDependencies
init(dependencies: WeatherApplicationDependencies) {
self.dependencies = dependencies
}
func handle(action: UserAction) -> ApplicationFeedback? {
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
// ...
return nil
}
}
// Weather application.
// Provide WeatherProvider to WeatherApplication.
class WeatherApplication: WeatherApplicationProtocol {
private let dependencies: WeatherApplicationDependencies
private let interactions: WeatherApplicationInteractions
init(dependencies: WeatherApplicationDependencies, interactions: WeatherApplicationInteractions) {
self.dependencies = dependencies
self.interactions = interactions
}
}
// Weather provider.
// Check forecast for given city.
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
// ...
return "Sunny"
}
}
// Weather application dependencies.
// Provide WeatherProvider to WeatherApplication.
class WeatherApplicationDependencies: WeatherApplicationDependencies {
let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
}
// Weather application interactions.
// Handle user actions to fill search bar results and use Weather
init(provider: WeatherProvider) // 'WeatherProvider' is ambiguous for type lookup in this context
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
private let searchBar: SearchBar // cannot find type 'SearchBar' in scope
private let forecastView: ForecastView // cannot find type 'ForecastView' in scope
private let keyboard: Keyboard // cannot find type 'Keyboard' in scope
private let searchButton: SearchButton // cannot find type 'SearchButton' in scope
private let feedbackView: FeedbackView // cannot find type 'FeedbackView' in scope
private let feedbackViewPresenter: FeedbackViewPresenter // cannot find type 'FeedbackViewPresenter' in scope
init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
searchBar = SearchBar() // cannot find 'SearchBar' in scope
forecastView = ForecastView() // cannot find 'ForecastView' in scope
keyboard = Keyboard() // cannot find 'Keyboard' in scope
searchButton = SearchButton() // cannot find 'SearchButton' in scope
feedbackView = FeedbackView() // cannot find 'FeedbackView' in scope
feedbackViewPresenter = FeedbackViewPresenter() // cannot find 'FeedbackViewPresenter' in scope
feedbackViewPresenter.present(feedback: .success(city: city, forecast: forecast)) // cannot infer contextual base in reference to member 'success'
feedbackViewPresenter.present(feedback: .failure(city: city)) // cannot infer contextual base in reference to member 'failure'
class WeatherProvider: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherProvider: WeatherProvider { // invalid redeclaration of 'WeatherProvider'
class WeatherApplicationDependencies: WeatherApplicationDependencies { // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
class WeatherApplicationDependencies: WeatherApplicationDependencies { // invalid redeclaration of 'WeatherApplicationDependencies'
let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherApplicationInteractions: WeatherApplicationInteractions { // 'WeatherApplicationInteractions' is ambiguous for type lookup in this context
class WeatherApplicationInteractions: WeatherApplicationInteractions { // invalid redeclaration of 'WeatherApplicationInteractions'
private let dependencies: WeatherApplicationDependencies // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
init(dependencies: WeatherApplicationDependencies) { // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
class WeatherApplication: WeatherApplicationProtocol { // invalid redeclaration of 'WeatherApplication'
private let dependencies: WeatherApplicationDependencies // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
private let interactions: WeatherApplicationInteractions // 'WeatherApplicationInteractions' is ambiguous for type lookup in this context
init(dependencies: WeatherApplicationDependencies, interactions: WeatherApplicationInteractions) { // 'WeatherApplicationInteractions' is ambiguous for type lookup in this context
init(dependencies: WeatherApplicationDependencies, interactions: WeatherApplicationInteractions) { // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
struct WeatherProviderImplementation: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("K"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("y"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("i"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("v"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // type 'Equatable' has no member 'success'
(0..<4).forEach { _ in _ = application.handle(action: .keyboardDeleteBackwards) } // Clear search input // cannot infer contextual base in reference to member 'keyboardDeleteBackwards'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("W"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("s"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("a"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("w"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // type 'Equatable' has no member 'failure'
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 searchBarResults: [String] = []
private var forecast: String?
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
return nil
case .keyboardDeleteBackwards:
if !searchBarResults.isEmpty {
searchBarResults.removeLast()
}
return nil
case .searchButtonPress:
guard let city = searchBarResults.joined() else {
return nil
}
do {
forecast = try provider.forecast(for: city)
return .success(city: city, forecast: forecast!)
} catch {
return .failure(city: city)
}
}
}
}
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
// ...
return "Sunny"
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private var searchBarResults: [String] = []
private var forecast: String?
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
return nil
case .keyboardDeleteBackwards:
if !searchBarResults.isEmpty {
searchBarResults.removeLast()
}
return nil
case .searchButtonPress:
guard let city = searchBarResults.joined() else {
return nil
}
do {
forecast = try provider.forecast(for: city)
return .success(city: city, forecast: forecast!)
} catch {
return .failure(city: city)
}
}
}
}
// Weather provider.
// Check forecast for given city.
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
// ...
return "Sunny"
}
}
<|file_separator|>
init(provider: WeatherProvider) // 'WeatherProvider' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
required init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
guard let city = searchBarResults.joined() else { // initializer for conditional binding must have Optional type, not 'String'
} catch { // 'catch' block is unreachable because no errors are thrown in 'do' block
class WeatherProvider: WeatherProvider { // invalid redeclaration of 'WeatherProvider'
class WeatherProvider: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
struct WeatherProviderImplementation: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("K"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("y"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("i"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("v"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // type 'Equatable' has no member 'success'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // cannot infer contextual base in reference to member 'searchButtonPress'
(0..<4).forEach { _ in _ = application.handle(action: .keyboardDeleteBackwards) } // Clear search input // cannot infer contextual base in reference to member 'keyboardDeleteBackwards'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("W"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("s"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("a"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("w"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // type 'Equatable' has no member 'failure'
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 searchBarResults: [String] = []
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
return nil
case .keyboardDeleteBackwards:
if !searchBarResults.isEmpty {
searchBarResults.removeLast()
}
return nil
case .searchButtonPress:
guard let forecast = try? provider.forecast(for: searchBarResults.joined()) else {
return .failure(city: searchBarResults.joined())
}
return .success(city: searchBarResults.joined(), forecast: forecast)
}
}
}
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
// ...
return "Sunny"
}
}
class WeatherApplicationDependencies: WeatherApplicationDependencies {
private let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
}
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
return nil
case .keyboardDeleteBackwards:
if !searchBarResults.isEmpty {
searchBarResults.removeLast()
}
return nil
case .searchButtonPress:
guard let forecast = try? provider.forecast(for: searchBarResults.joined()) else {
return .failure(city: searchBarResults.joined())
}
return .success(city: searchBarResults.joined(), forecast: forecast)
}
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private var searchBarResults: [String] = []
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
return nil
case .keyboardDeleteBackwards:
if !searchBarResults.isEmpty {
searchBarResults.removeLast()
}
return nil
case .searchButtonPress:
guard let forecast = try? provider.forecast(for: searchBarResults.joined()) else {
return .failure(city: searchBarResults.joined())
}
return .success(city: searchBarResults.joined(), forecast: forecast)
}
}
}
// Weather provider.
// Check forecast for given city.
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
// ...
return "Sunny"
}
}
// Weather application dependencies.
// Provide dependencies to WeatherApplication.
class WeatherApplicationDependencies: WeatherApplicationDependencies {
private let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
}
// Weather application interactions.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let provider: WeatherProvider
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
return nil
case .keyboardDeleteBackwards:
if !searchBarResults.isEmpty {
searchBarResults.removeLast()
}
return nil
case .searchButtonPress:
guard let forecast = try? provider.forecast(for: searchBarResults.joined()) else {
return .failure(city: searchBarResults.joined())
}
return .success(city: searchBarResults.joined(), forecast: forecast)
}
}
}
// Weather application.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private var searchBarResults: [String] = []
init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
return nil
case .keyboardDeleteBackwards:
if !searchBarResults.isEmpty {
searchBarResults.removeLast()
}
return nil
case .searchButtonPress:
guard let forecast = try? provider.forecast(for: searchBarResults.joined()) else {
return .failure(city: searchBarResults.joined())
}
return .success(city: searchBarResults.joined(), forecast: forecast)
}
}
}
<|file_separator|>
init(provider: WeatherProvider) // 'WeatherProvider' is ambiguous for type lookup in this context
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherProvider: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherProvider: WeatherProvider { // invalid redeclaration of 'WeatherProvider'
class WeatherApplicationDependencies: WeatherApplicationDependencies { // invalid redeclaration of 'WeatherApplicationDependencies'
class WeatherApplicationDependencies: WeatherApplicationDependencies { // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherApplicationInteractions: WeatherApplicationInteractions { // 'WeatherApplicationInteractions' is ambiguous for type lookup in this context
class WeatherApplicationInteractions: WeatherApplicationInteractions { // invalid redeclaration of 'WeatherApplicationInteractions'
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
searchBarResults.append(String(character)) // cannot find 'searchBarResults' in scope
if !searchBarResults.isEmpty { // cannot find 'searchBarResults' in scope
searchBarResults.removeLast() // cannot find 'searchBarResults' in scope
guard let forecast = try? provider.forecast(for: searchBarResults.joined()) else { // cannot find 'searchBarResults' in scope
return .failure(city: searchBarResults.joined()) // cannot find 'searchBarResults' in scope
return .success(city: searchBarResults.joined(), forecast: forecast) // cannot find 'searchBarResults' in scope
struct WeatherProviderImplementation: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("K"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("y"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("i"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("v"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // type 'Equatable' has no member 'success'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // cannot infer contextual base in reference to member 'searchButtonPress'
(0..<4).forEach { _ in _ = application.handle(action: .keyboardDeleteBackwards) } // Clear search input // cannot infer contextual base in reference to member 'keyboardDeleteBackwards'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("W"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("s"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("a"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("w"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // type 'Equatable' has no member 'failure'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // cannot infer contextual base in reference to member 'searchButtonPress'
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 let searchBar: SearchBar
private let tableView: UITableView
private let keyboard: Keyboard
private let feedback: Feedback
private let searchBarResults: SearchBarResults
private let tableViewDataSource: WeatherApplicationTableViewDataSource
private let tableViewDelegate: WeatherApplicationTableViewDelegate
private let keyboardDelegate: KeyboardDelegate
private let feedbackDelegate: FeedbackDelegate
init(provider: WeatherProvider,
searchBar: SearchBar,
tableView: UITableView,
keyboard: Keyboard,
feedback: Feedback,
searchBarResults: SearchBarResults,
tableViewDataSource: WeatherApplicationTableViewDataSource,
tableViewDelegate: WeatherApplicationTableViewDelegate,
keyboardDelegate: KeyboardDelegate,
feedbackDelegate: FeedbackDelegate) {
self.provider = provider
self.searchBar = searchBar
self.tableView = tableView
self.keyboard = keyboard
self.feedback = feedback
self.searchBarResults = searchBarResults
self.tableViewDataSource = tableViewDataSource
self.tableViewDelegate = tableViewDelegate
self.keyboardDelegate = keyboardDelegate
self.feedbackDelegate = feedbackDelegate
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.add(character: character)
searchBar.text = searchBarResults.text
case .keyboardDeleteBackwards:
searchBarResults.removeLast()
searchBar.text = searchBarResults.text
case .searchButtonPress:
guard let city = searchBarResults.text else {
return nil
}
do {
let forecast = try provider.forecast(for: city)
feedback.success(city: city, forecast: forecast)
} catch {
feedback.failure(city: city)
}
}
return nil
}
}
class SearchBarResults {
private var characters: [Character] = []
var text: String? {
characters.isEmpty ? nil : String(characters)
}
func add(character: Character) {
characters.append(character)
}
func removeLast() {
characters.removeLast()
}
}
class WeatherApplicationTableViewDataSource {
private let tableView: UITableView
init(tableView: UITableView) {
self.tableView = tableView
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
1
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
cell.textLabel?.text = "Forecast"
return cell
}
}
class WeatherApplicationTableViewDelegate {
private let tableView: UITableView
init(tableView: UITableView) {
self.tableView = tableView
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
tableView.deselectRow(at: indexPath, animated: true)
}
}
class KeyboardDelegate {
private let keyboard: Keyboard
init(keyboard: Keyboard) {
self.keyboard = keyboard
}
func keyboard(_ keyboard: Keyboard, didChangeText text: String) {
keyboard.text = text
}
}
class FeedbackDelegate {
private let feedback: Feedback
init(feedback: Feedback) {
self.feedback = feedback
}
func feedback(_ feedback: Feedback) {
feedback.success(city: "London", forecast: "Sunny")
feedback.failure(city: "London")
}
}
class Feedback {
func success(city: String, forecast: String) {
print("Success: \(city) - \(forecast)")
}
func failure(city: String) {
print("Failure: \(city)")
}
}
class Keyboard {
var text: String?
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private let searchBar: SearchBar
private let tableView: UITableView
private let keyboard: Keyboard
private let feedback: Feedback
private let searchBarResults: SearchBarResults
private let tableViewDataSource: WeatherApplicationTableViewDataSource
private let tableViewDelegate: WeatherApplicationTableViewDelegate
private let keyboardDelegate: KeyboardDelegate
private let feedbackDelegate: FeedbackDelegate
init(provider: WeatherProvider,
searchBar: SearchBar,
tableView: UITableView,
keyboard: Keyboard,
feedback: Feedback,
searchBarResults: SearchBarResults,
tableViewDataSource: WeatherApplicationTableViewDataSource,
tableViewDelegate: WeatherApplicationTableViewDelegate,
keyboardDelegate: KeyboardDelegate,
feedbackDelegate: FeedbackDelegate) {
self.provider = provider
self.searchBar = searchBar
self.tableView = tableView
self.keyboard = keyboard
self.feedback = feedback
self.searchBarResults = searchBarResults
self.tableViewDataSource = tableViewDataSource
self.tableViewDelegate = tableViewDelegate
self.keyboardDelegate = keyboardDelegate
self.feedbackDelegate = feedbackDelegate
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.add(character: character)
searchBar.text = searchBarResults.text
case .keyboardDeleteBackwards:
searchBarResults.removeLast()
searchBar.text = searchBarResults.text
case .searchButtonPress:
guard let city = searchBarResults.text else {
return nil
}
do {
let forecast = try provider.forecast(for: city)
feedback.success(city: city, forecast: forecast)
} catch {
feedback.failure(city: city)
}
}
return nil
}
}
// SearchBarResults is a helper class to store and manage the search bar results.
class SearchBarResults {
private var characters: [Character] = []
var text: String? {
characters.isEmpty ? nil : String(characters)
}
func add(character: Character) {
characters.append(character)
}
func removeLast() {
characters.removeLast()
}
}
// WeatherApplicationTableViewDataSource is a helper class to manage the table view data source.
class WeatherApplicationTableViewDataSource {
private let tableView: UITableView
init(tableView: UITableView) {
self.tableView = tableView
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
1
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
cell.textLabel?.text = "Forecast"
return cell
}
}
// WeatherApplicationTableViewDelegate is a helper class to manage the table view delegate.
class WeatherApplicationTableViewDelegate {
private let tableView: UITableView
init(tableView: UITableView) {
self.tableView = tableView
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
tableView.deselectRow(at: indexPath, animated: true)
}
}
// KeyboardDelegate is a helper class to manage the keyboard delegate.
class KeyboardDelegate {
private let keyboard: Keyboard
init(keyboard: Keyboard) {
self.keyboard = keyboard
}
func keyboard(_ keyboard: Keyboard, didChangeText text: String) {
keyboard.text = text
}
}
// FeedbackDelegate is a helper class to manage the feedback delegate.
class FeedbackDelegate {
private let feedback: Feedback
init(feedback: Feedback) {
self.feedback = feedback
}
func feedback(_ feedback: Feedback) {
feedback.success(city: "London", forecast: "Sunny")
feedback.failure(city: "London")
}
}
// Feedback is a helper class to manage the feedback.
class Feedback {
func success(city: String, forecast: String) {
print("Success: \(city) - \(forecast)")
}
func failure(city: String) {
print("Failure: \(city)")
}
}
// Keyboard is a helper class to manage the keyboard.
class Keyboard {
var text: String?
}
// SearchBar is a helper class to manage the search bar.
class SearchBar {
var text
private let searchBar: SearchBar // cannot find type 'SearchBar' in scope
private let tableView: UITableView // cannot find type 'UITableView' in scope
searchBar: SearchBar, // cannot find type 'SearchBar' in scope
tableView: UITableView, // cannot find type 'UITableView' in scope
private let tableView: UITableView // cannot find type 'UITableView' in scope
init(tableView: UITableView) { // cannot find type 'UITableView' in scope
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { // cannot find type 'UITableView' in scope
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { // cannot find type 'UITableView' in scope
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { // cannot find type 'UITableViewCell' in scope
private let tableView: UITableView // cannot find type 'UITableView' in scope
init(tableView: UITableView) { // cannot find type 'UITableView' in scope
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { // cannot find type 'UITableView' in scope
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("K"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("y"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("i"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("v"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // type 'Equatable' has no member 'success'
(0..<4).forEach { _ in _ = application.handle(action: .keyboardDeleteBackwards) } // Clear search input // cannot infer contextual base in reference to member 'keyboardDeleteBackwards'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("W"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("s"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("a"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("w"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // type 'Equatable' has no member 'failure'
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 searchBarResults: [String] = []
private var searchBarResultsCount: Int = 0
private var searchBarResultsIndex: Int = 0
private var searchBarResultsSelected: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
searchBarResultsCount += 1
searchBarResultsIndex = searchBarResults.count - 1
searchBarResultsSelected = searchBarResults.joined()
return nil
case .keyboardDeleteBackwards:
if searchBarResults.count > 0 {
searchBarResults.removeLast()
searchBarResultsCount -= 1
searchBarResultsIndex = searchBarResults.count - 1
searchBarResultsSelected = searchBarResults.joined()
return nil
}
return nil
case .searchButtonPress:
if searchBarResults.count > 0 {
let forecast = try? provider.forecast(for: searchBarResultsSelected)
if let forecast = forecast {
return .success(city: searchBarResultsSelected, forecast: forecast)
}
return .failure(city: searchBarResultsSelected)
}
return nil
}
}
}
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
return "Forecast for \(city)"
}
}
class WeatherApplicationDependencies: WeatherApplicationDependencies {
required init(provider: WeatherProvider) {
// Provide dependencies for WeatherApplication.
}
}
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let provider: WeatherProvider
private var searchBarResults: [String] = []
private var searchBarResultsCount: Int = 0
private var searchBarResultsIndex: Int = 0
private var searchBarResultsSelected: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
searchBarResultsCount += 1
searchBarResultsIndex = searchBarResults.count - 1
searchBarResultsSelected = searchBarResults.joined()
return nil
case .keyboardDeleteBackwards:
if searchBarResults.count > 0 {
searchBarResults.removeLast()
searchBarResultsCount -= 1
searchBarResultsIndex = searchBarResults.count - 1
searchBarResultsSelected = searchBarResults.joined()
return nil
}
return nil
case .searchButtonPress:
if searchBarResults.count > 0 {
let forecast = try? provider.forecast(for: searchBarResultsSelected)
if let forecast = forecast {
return .success(city: searchBarResultsSelected, forecast: forecast)
}
return .failure(city: searchBarResultsSelected)
}
return nil
}
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
private var searchBarResults: [String] = []
private var searchBarResultsCount: Int = 0
private var searchBarResultsIndex: Int = 0
private var searchBarResultsSelected: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
searchBarResultsCount += 1
searchBarResultsIndex = searchBarResults.count - 1
searchBarResultsSelected = searchBarResults.joined()
return nil
case .keyboardDeleteBackwards:
if searchBarResults.count > 0 {
searchBarResults.removeLast()
searchBarResultsCount -= 1
searchBarResultsIndex = searchBarResults.count - 1
searchBarResultsSelected = searchBarResults.joined()
return nil
}
return nil
case .searchButtonPress:
if searchBarResults.count > 0 {
let forecast = try? provider.forecast(for: searchBarResultsSelected)
if let forecast = forecast {
return .success(city: searchBarResultsSelected, forecast: forecast)
}
return .failure(city: searchBarResultsSelected)
}
return nil
}
}
}
// Weather provider.
// Check forecast for given city.
class WeatherProvider: WeatherProvider {
func forecast(for city: String) throws -> String {
// Check forecast for given city.
return "Forecast for \(city)"
}
}
// Weather application dependencies.
// Provide dependencies for WeatherApplication.
class WeatherApplicationDependencies: WeatherApplicationDependencies {
required init(provider: WeatherProvider) {
// Provide dependencies for WeatherApplication.
}
}
// Weather application interactions.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplicationInteractions: WeatherApplicationInteractions {
private let provider: WeatherProvider
private var searchBarResults: [String] = []
private var searchBarResultsCount: Int = 0
private var searchBarResultsIndex: Int = 0
private var searchBarResultsSelected: String = ""
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
searchBarResults.append(String(character))
searchBarResultsCount += 1
searchBarResultsIndex = searchBarResults.count - 1
searchBarResultsSelected = searchBarResults.joined()
return nil
case .keyboardDeleteBackwards:
if searchBarResults.count > 0 {
searchBarResults.removeLast()
searchBarResultsCount -= 1
searchBarResultsIndex = searchBarResults.count - 1
searchBarResultsSelected = searchBarResults.joined()
return nil
}
return nil
case .searchButtonPress:
if searchBarResults.count > 0 {
let forecast = try? provider.forecast(for: searchBarResultsSelected)
if let forecast = forecast {
return .success(city: searchBarResultsSelected, forecast: forecast)
}
return .failure(city: searchBarResultsSelected)
}
return nil
}
}
}
<|file_separator|>
init(provider: WeatherProvider) // 'WeatherProvider' is ambiguous for type lookup in this context
typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
required init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherProvider: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherProvider: WeatherProvider { // invalid redeclaration of 'WeatherProvider'
class WeatherApplicationDependencies: WeatherApplicationDependencies { // 'WeatherApplicationDependencies' is ambiguous for type lookup in this context
class WeatherApplicationDependencies: WeatherApplicationDependencies { // invalid redeclaration of 'WeatherApplicationDependencies'
required init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
class WeatherApplicationInteractions: WeatherApplicationInteractions { // invalid redeclaration of 'WeatherApplicationInteractions'
class WeatherApplicationInteractions: WeatherApplicationInteractions { // 'WeatherApplicationInteractions' is ambiguous for type lookup in this context
private let provider: WeatherProvider // 'WeatherProvider' is ambiguous for type lookup in this context
required init(provider: WeatherProvider) { // 'WeatherProvider' is ambiguous for type lookup in this context
struct WeatherProviderImplementation: WeatherProvider { // 'WeatherProvider' is ambiguous for type lookup in this context
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("K"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("y"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("i"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("v"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // cannot infer contextual base in reference to member 'searchButtonPress'
XCTAssertEqual(application.handle(action: .searchButtonPress), .success(city: "Kyiv", forecast: "+28")) // type 'Equatable' has no member 'success'
(0..<4).forEach { _ in _ = application.handle(action: .keyboardDeleteBackwards) } // Clear search input // cannot infer contextual base in reference to member 'keyboardDeleteBackwards'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("W"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("s"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("a"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertNil(application.handle(action: .keyboardCharacterSelect("w"))) // cannot infer contextual base in reference to member 'keyboardCharacterSelect'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // type 'Equatable' has no member 'failure'
XCTAssertEqual(application.handle(action: .searchButtonPress), .failure(city: "Wsaw")) // cannot infer contextual base in reference to member 'searchButtonPress'
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
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
// Handle keyboard character selection.
// Update search bar text.
// Update search bar results.
// Update search bar results view.
return nil
case .keyboardDeleteBackwards:
// Handle keyboard delete backwards.
// Update search bar text.
// Update search bar results.
// Update search bar results view.
return nil
case .searchButtonPress:
// Handle search button press.
// Get forecast for selected city.
// Update search bar text.
// Update search bar results.
// Update search bar results view.
return nil
}
}
}
```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
// Weather application provider.
// Handle user actions to fill search bar results and use WeatherProvider to check forecast.
class WeatherApplication: WeatherApplicationProtocol {
private let provider: WeatherProvider
required init(provider: WeatherProvider) {
self.provider = provider
}
func handle(action: UserAction) -> ApplicationFeedback? {
switch action {
case .keyboardCharacterSelect(let character):
// Handle keyboard character selection.
// Update search bar text.
// Update search bar results.
// Update search bar results view.
return nil
case .keyboardDeleteBackwards:
// Handle keyboard delete backwards.
// Update search bar text.
// Update search bar results.
// Update search bar results view.
return nil
case .searchButtonPress:
// Handle search button press.
// Get forecast for selected city.
// Update search bar text.
// Update search bar results.
// Update search bar results view.
return nil
}
}
}
<|file_separator|>
case .keyboardCharacterSelect(let character): // immutable value 'character' was never used; consider replacing with '_' or removing it
// XCTAssertEqual failed: (nil) is not equal to (Optional(Solution.ApplicationFeedback.success(city: "Kyiv", forecast: "+28")))
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) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
Task {
continuation.resume(returning: balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
Task {
balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
Task {
if balance >= amount {
balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
```swift
protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
// 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.
actor BankAccount: BankAccountProtocol {
private var balance: Double
init(balance: Double) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
Task {
continuation.resume(returning: balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
Task {
balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
Task {
if balance >= amount {
balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
// Example usage:
let account = BankAccount(balance: 1000)
Task {
// Deposit 500
await account.deposit(amount: 500)
// Withdraw 200
if let result = await account.withdraw(amount: 200) {
print("Withdrawal successful")
} else {
print("Insufficient funds")
}
// Check balance
print("Current balance: \(await account.balance)")
}
<|file_separator|>
private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'
var balance: Double { // invalid redeclaration of 'balance'
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) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
```swift
protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
// 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.
actor BankAccount: BankAccountProtocol {
private var balance: Double
init(balance: Double) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
// Example usage:
let account = BankAccount(balance: 1000)
Task {
do {
try await account.deposit(amount: 500)
print("Current balance: \(try await account.balance)")
if try await account.withdraw(amount: 200) {
print("Withdrawal successful")
} else {
print("Insufficient funds")
}
print("Current balance: \(try await account.balance)")
} catch {
print("Error: \(error)")
}
}
<|file_separator|>
private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'
var balance: Double { // invalid redeclaration of 'balance'
continuation.resume(returning: self.balance) // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance += amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
if self.balance >= amount { // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance -= amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
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) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
```swift
protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
// 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.
actor BankAccount: BankAccountProtocol {
private var balance: Double
init(balance: Double) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
// Example usage:
let account = BankAccount(balance: 100.0)
Task {
do {
try await account.deposit(amount: 50.0)
print("Current balance: \(try await account.balance)")
if try await account.withdraw(amount: 70.0) {
print("Withdrawal successful")
} else {
print("Insufficient funds")
}
} catch {
print("Error: \(error)")
}
}
<|file_separator|>
private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'
var balance: Double { // invalid redeclaration of 'balance'
continuation.resume(returning: self.balance) // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance += amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
if self.balance >= amount { // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance -= amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
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) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global(qos: .userInteractive).async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global(qos: .userInteractive).async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global(qos: .userInteractive).async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
```swift
protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
// 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.
actor BankAccount: BankAccountProtocol {
private var balance: Double
init(balance: Double) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global(qos: .userInteractive).async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global(qos: .userInteractive).async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global(qos: .userInteractive).async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
// Example usage:
let bankAccount = BankAccount(balance: 1000.0)
Task {
do {
try await bankAccount.deposit(amount: 500.0)
let balance = try await bankAccount.balance
print("Current balance: $\(balance)")
if try await bankAccount.withdraw(amount: 200.0) {
print("Withdrawal successful.")
} else {
print("Insufficient funds.")
}
} catch {
print("Error: \(error)")
}
}
<|file_separator|>
private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'
var balance: Double { // invalid redeclaration of 'balance'
continuation.resume(returning: self.balance) // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance += amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
if self.balance >= amount { // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance -= amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
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) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
```swift
protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
// 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.
actor BankAccount: BankAccountProtocol {
private var balance: Double
init(balance: Double) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
// Example usage:
let account = BankAccount(balance: 100.0)
Task {
print("Current balance: \(try await account.balance)")
try await account.deposit(amount: 50.0)
print("Current balance: \(try await account.balance)")
if try await account.withdraw(amount: 75.0) {
print("Withdrawal successful")
} else {
print("Insufficient funds")
}
print("Current balance: \(try await account.balance)")
}
<|file_separator|>
private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'
var balance: Double { // invalid redeclaration of 'balance'
continuation.resume(returning: self.balance) // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance += amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
if self.balance >= amount { // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance -= amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
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) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
Task {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
Task {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
Task {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
```swift
protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
// 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.
actor BankAccount: BankAccountProtocol {
private var balance: Double
init(balance: Double) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
Task {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
Task {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
Task {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
// Example usage:
let bankAccount = BankAccount(balance: 1000)
Task {
do {
try await bankAccount.deposit(amount: 500)
print("Current balance: \(await bankAccount.balance)")
if try await bankAccount.withdraw(amount: 200) {
print("Withdrawal successful")
} else {
print("Insufficient funds")
}
print("Current balance: \(await bankAccount.balance)")
} catch {
print("Error: \(error)")
}
}
<|file_separator|>
private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'
var balance: Double { // invalid redeclaration of 'balance'
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) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
```swift
protocol BankAccountProtocol {
init(balance: Double)
var balance: Double { get async }
func deposit(amount: Double) async
func withdraw(amount: Double) async -> Bool
}
// 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.
actor BankAccount: BankAccountProtocol {
private var balance: Double
init(balance: Double) {
self.balance = balance
}
var balance: Double {
get async {
return await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
continuation.resume(returning: self.balance)
}
}
}
}
func deposit(amount: Double) async {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
self.balance += amount
continuation.resume()
}
}
}
func withdraw(amount: Double) async -> Bool {
await withUnsafeContinuation { continuation in
DispatchQueue.global().async {
if self.balance >= amount {
self.balance -= amount
continuation.resume(returning: true)
} else {
continuation.resume(returning: false)
}
}
}
}
}
// Example usage:
let account = BankAccount(balance: 100.0)
Task {
// Deposit 50.0
await account.deposit(amount: 50.0)
// Withdraw 20.0
if let result = await account.withdraw(amount: 20.0) {
print("Withdrawal successful")
} else {
print("Insufficient funds")
}
// Check balance
print("Current balance: \(await account.balance)")
}
<|file_separator|>
private var balance: Double // property 'balance' must be declared internal because it matches a requirement in internal protocol 'BankAccountProtocol'
var balance: Double { // invalid redeclaration of 'balance'
continuation.resume(returning: self.balance) // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance += amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6
if self.balance >= amount { // actor-isolated property 'balance' can not be referenced from a Sendable closure; this is an error in Swift 6
self.balance -= amount // actor-isolated property 'balance' can not be mutated from a Sendable closure; this is an error in Swift 6