jiulinxiri
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...
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...
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 ...
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...
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...
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...
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...
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)...
Animation
当指定的值发生变化时，将给定的动画应用于此视图。 struct ContentView: View { @State private var scale = 0.5 var body: some View { VStack { Circle().scale(scale).animation(.easeIn, v...
SwiftData 调试
SwiftData 在调试时可以直接在输出窗口显示对应的 SQL 语句。 设置方法 点击如下的按钮，弹出 Scheme 窗口 在弹出的Scheme 窗口中，选择 Run菜单，然后选择 Argument 标签页，点击+号按钮。 然...
