例如，que2.async的闭包被安排在迭代0，很可能在que1.sync为以后的迭代执行时开始执行，比如迭代10。
sync/async: 数组字典thread safe: NSLock/Dispatchqueue: 何时用immutable item: GCD: DeadLock: Swift language value vs reference Optional Enum: excution states: lazy: guard: generics: defer: codingKey: map()compactMap(): filter/reduce: static method: UI content hugging and compression...
Swift now supports asynchronous functions — a pattern commonly known as async/await. Discover how the new syntax can make your code easier to read and understand. Learn what happens when a function suspends, and find out how to adapt existing completion handlers to asynchronous functions. 27:54...
EN从一开始，Swift就提供了一些使ObjC和C更快的工具，每个版本都增加了更多的功能。现在，在Swift 3中...
A comparison between async/await, Combine, and closures in Swift. Includes an overview of the strengths and weaknesses of the different approaches.
<queue>.<sync/async>表示在<queue>上运行<sync/async>任务GCD支持：在第一种情况下，您在main上...
特性:任务一经提交就会阻塞当前线程(当前线程可以理解为下方代码示例中执行sync方法所在的线程thread0),并请求队列立即安排其执行,执行任务的线程thread1默认等于thread0,即同步任务直接在当前线程运行,任务完成后恢复线程原任务。 任务提交方式如下: // current thread - thread0queue.sync {// current thread - threa...
// This is not an async function, but the Swift is fine with it // because `async` and `await` doesn’t mean that the // function is _actually_ async, only that it _may_ be. } } This is also why you can call synchronous functions from asynchronous ones but not vice-versa; asy...
().async { for i in 0..<1000 { self.numbers[i].dim = i } } // Main thread update var sum = 0 for i in 0..<1000 { numbers[i].dim = i + 1 sum += numbers[i].dim print("test \(sum)") } mainthreadButton.title = "test = \(sum)" } } This results in a ...
StickyLocking - A general purpose embedded hierarchical lock manager used to build highly concurrent applications of all types. SwiftCoroutine - Swift coroutines library for iOS and macOS. AsyncQueue - A library of queues that enable sending ordered tasks from synchronous to asynchronous contexts.back...