一个开源库，为核心 Foundation Swift 库提供了一些有用的扩展和实用程序。作为 XII 的 iOS、macOS 和 watchOS 应用程序中各种项目的可重用组件而开发。
- 在 Xcode 中，选择 “File” > “Swift Packages” > “Add Package Dependency”。
- 按照提示使用此仓库的 URL
- 选择
SwiftFoundationExtensions库添加到您的项目中
请参阅 LICENSE 文件。
信息 (Source)
let mainBundleVersion: String
主 Bundle 的完整版本和构建号，格式为：v[MAJOR].[MINOR].[PATCH]-[BUILD]
let isInstalledFromAppstore: Bool
如果主 Bundle 是从 App Store 安装的（不在沙盒环境中），则为 True，否则为 False。
Date 扩展 (Source)
var startOfWeek: Date { get }
var daysRemainingThisWeek: Int { get }
var startOfMonth: Date { get }
var startOfYear: Date { get }
init(year: Int, month: Int, day: Int)
Comparable 扩展 (Source)
func clamped(to limits: ClosedRange<Self>) -> Self
func clamped(to limits: Range<Self>) -> Self where Self : Strideable
Double 扩展 (Source)
func isCloseTo(_ other: Double) -> Bool
func isCloseToOrGreaterThan(_ other: Double) -> Bool
func isCloseToOrLessThan(_ other: Double) -> Bool
var roundedUp: Int { get }
var roundedDown: Int { get }
Sequence 扩展 (Source)
func sum() -> Double where Element == Double
func sumOfSquares() -> Double where Element == Double
func sum() -> Int where Element == Int
func sumOfSquares() -> Int where Element == Int
func asDictionary<Key : Hashable, Value>() -> [Key: Value]
where Element == (Key, Value)
func mapToDictionary<Key : Hashable, MappedValue>(
_ pairExtractor: @escaping (Element) throws -> (Key, MappedValue)
) rethrows -> [Key: MappedValue]
func grouped<Key : Hashable>(
_ keyExtractor: @escaping (Element) throws -> Key
) rethrows -> [Key: [Element]]
EnumeratedSequence 扩展 (Source)
func mapToDictionary<Key : Hashable, MappedValue>(
_ pairExtractor: @escaping (Iterator.Element) throws -> (Key, MappedValue)
) rethrows -> [Key: MappedValue]
Collection 扩展 (Source)
func average() -> Double where Element == Double
func average() -> Int where Element == Int
AsyncSequence 扩展 (Source)
func sum() async rethrows -> Double where Element == Double
func sumOfSquares() async rethrows -> Double where Element == Double
func sum() async rethrows -> Int where Element == Int
func sumOfSquares() async rethrows -> Int where Element == Int
Dictionary 扩展 (Source)
mutating func increment(key: Key, by value: Value) where Value == Int
mutating func increment(key: Key) where Value == Int
mutating func decrement(key: Key) where Value == Int
mutating func increment(key: Key, by value: Value) where Value == Double
mutating func increment(key: Key) where Value == Double
mutating func decrement(key: Key) where Value == Double
mutating func incrementSubMapValue<SubKey : Hashable>(
key: Key,
subKey: SubKey,
by value: Int
) where Value == Dictionary<SubKey, Int>
mutating func incrementSubMapValue<SubKey : Hashable>(
key: Key,
subKey: SubKey
) where Value == Dictionary<SubKey, Int>
mutating func decrementSubMapValue<SubKey : Hashable>(
key: Key,
subKey: SubKey
) where Value == Dictionary<SubKey, Int>
mutating func incrementSubMapValue<SubKey : Hashable>(
key: Key,
subKey: SubKey,
by value: Double
) where Value == Dictionary<SubKey, Double>
mutating func incrementSubMapValue<SubKey : Hashable>(
key: Key,
subKey: SubKey
) where Value == Dictionary<SubKey, Double>
mutating func decrementSubMapValue<SubKey : Hashable>(
key: Key,
subKey: SubKey
) where Value == Dictionary<SubKey, Double>
mutating func append<InnerValue>(
value: InnerValue,
for key: Key
) where Value == Array<InnerValue>
func inverted() -> [Value: Key] where Value : Hashable
func inverted() -> [Value.Element: [Key]]
where Value : Sequence, Value.Element : Hashable
mutating func set<SubKey : Hashable, SubValue>(
value: SubValue,
key: Key,
subKey: SubKey
) where Value == Dictionary<SubKey, SubValue>
Logger 扩展 (Source)
static func loggerFor(_ category: String) -> Logger
static func loggerFor<Type>(_ type: Type.Type) -> Logger
ErrorWithTrace 结构体 (Source)
一种特殊的 Error，用于捕获抛出错误的 文件/行号，以帮助调试。
遵循协议：Error 和 CustomStringConvertible
let file: String
let line: Int
let error: Error
var description: String { get }
var localizedDescription: String { get }
Error 扩展 (Source)
var description: String { get }
func withTrace(filePath: String = #file, line: Int = #line) -> ErrorWithTrace
func castError<Target : Error>(to type: Target.Type) -> Target?
ElapsedTimer 实用程序 (Source)
一个用于跟踪/报告操作之间经过时间的实用程序。
利用 CFAbsoluteTimeGetCurrent 获取设备上当前时间的精确测量值，并将这些测量值之间的差异作为经过时间。
init()
func reset()
func elapsedTimeSeconds() -> Double
func elapsedTimeSecondsText() -> String
func elapsedTimeSecondsAndReset() -> Double
func elapsedTimeSecondsTextAndReset() -> String