猜单词游戏的基本业务流程如下所示 生成单词，检测答案 生成随机单词，并检测用户输入的单词是否在选定的单词中 import random word_list = ['aardvark', 'baboon', 'camel'] chosen_word = ran...

Widget 的 Container Background（容器背景） 是在 iOS 17 中引入的。在 Widget 的开发过程中，可能会在预览中遇到如下的错误 Widget needs to adopt container background. 容器背景用途 iOS 1...

您将使用 @Model 宏来定义所有 SwiftData 模型类。该宏会自动使您的类能够从 SwiftData 加载和存储数据，支持观察更改，并添加 Hashable、Identifiable、Observable 和 PersistentModel 的遵循...

Swift lets us perform async operations using both await and async let, but although they both run some async code they don’t quite run the same: await wai...

Swift provides withCheckedContinuation() and withUnsafeContinuation() to let us create continuations that can’t throw errors, but if the API you’re using ...

AsyncSequence has implementations of many of the same methods that come with Sequence, but how they operate varies: some return a single value that fulfills you...

Each task in a Swift task group must return the same type of data as all the other tasks in the group, which is often problematic – what if you need one task group to handle ...

Swift's full range of concurrency features work great with unit tests using both the legacy XCTest framework and the new Swift Testing framework.Swift 的全套并发功能非常适合使用旧...

Concurrent Swift code often streams values over time rather than returning them all at once, so it's important to be able to write tests to check an AsyncStream, AsyncSeq...

Both Swift Testing and XCTest have simple mechanisms for controlling how long tests should be allowed to run before being considered a failure. This is critically important for con...