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How to call an async function using async let 如何使用 async let 调用 async 函数
Sometimes you want to run several async operations at the same time then wait for their results to come back, and the easiest way to do that is with async let. This lets you start...
5个月前How to create and use async properties 如何创建和使用异步属性
Just as Swift’s functions can be asynchronous, computed properties can also be asynchronous: attempting to access them must also use await or similar, and may also need&...
5个月前What’s the performance cost of calling an async function? 调用 async 函数的性能成本是多少？
Whenever we use await to call an async function, we mark a potential suspension point in our code – we’re acknowledging that it’s entirely possible our function w...
5个月前What calls the first async function? 什么调用第一个异步函数？
You can only call async functions from other async functions, because they might need to suspend themselves and everything that is waiting for them. This leads to a bit of a chicke...
5个月前How to call async throwing functions 如何调用异步 throwing 函数
Just like their synchronous counterparts, Swift’s async functions can be throwing or non-throwing depending on how you want them to behave. However, there is a twist: although we ...
5个月前How to create and call an async function如何创建和调用异步函数
Using async functions in Swift is done in two steps: declaring the function itself as being async, then calling that function using await.在 Swift 中使用异步函数分两步完...
5个月前
How to follow this guide 如何遵循本指南
This guide is called Swift Concurrency by Example because it focuses on providing as many examples as possible. My goal is to stay laser-focused on real-world problems and real-wor...
5个月前
Transaction
当前状态处理更新的上下文。 transaction(value:_:) 使用.transaction 修饰符来更改或替换视图中使用的动画。考虑一个由按钮控制的三个相同视图，同时改变所有三个的情况： 第一个视图通过旋转...
5个月前phaseAnimator
一个容器，通过自动循环遍历你提供的一系列阶段来对其内容进行动画处理，每个阶段定义了动画中的一个离散步骤。 具有阶段动画的弹跳 例如，前面展示的表情符号弹跳动画具有两个阶段：向上移动和...
5个月前withAnimation
使用提供的动画重新计算视图主体，并返回结果。 struct ContentView: View { @State private var isActive = false var body: some View { VStack(alignment: isActive ? .trailing : .leading)...
5个月前