jiulinxiri
What is actor hopping and how can it cause problems? 什么是 actor 跳转，它如何导致问题？
When a thread pauses work on one actor to start work on another actor instead, we call it actor hopping, and it will happen any time one actor calls another.当线程暂停对一个 a...
Understanding how global actor inference works 了解全局参与者推理的工作原理
Apple explicitly annotates many of its types as being @MainActor, including most UIKit types such as UIView and UIButton. However, for a while the Swift team da...
Who decides which actor code runs on? 谁决定在哪个 actor 代码上运行？
One common confusion with actors comes in deciding exactly where code runs, because just adding @MainActor and hoping for the best is rarely good enough.与 Actor 的一个常...
How to make parts of an actor nonisolated 如何使 actor 的各个部分非隔离
All methods and mutable properties inside an actor are isolated to that actor by default, which means they cannot be accessed directly from code that’s external to the actor. Acce...
Understanding actor initialization 了解 actor 初始化
Swift's actors run on their own executor most of the time, so they manage how and where their work is done. However, during the actor's initialization its executor isn't ready to t...
Is it efficient to create many tasks? 创建许多任务是否有效？
Previously I talked about the concept of thread explosion, which is when you create many more threads than CPU cores and the system struggles to manage them effectively. Howev...
How to run tasks using SwiftUI’s task() modifier 如何使用 SwiftUI 的 task() 修饰符运行任务
SwiftUI provides a task() modifier that starts a new task as soon as a view appears, and automatically cancels the task when the view disappears. This is sort of the equi...
How to create and use task local values 如何创建和使用任务本地值
Swift lets us attach metadata to a task using task-local values, which are small pieces of information that any code inside a task can read.Swift 允许我们使用 task-local ...
How to make async command-line tools and scripts 如何制作异步命令行工具和脚本
If you’re writing a command-line tool with Swift, you can use async code in two ways: if you're using main.swift you can immediately make and use async functions as norm...
What’s the difference between async let, tasks, and task groups? async let、tasks 和 task groups 之间有什么区别？
Swift’s async let, Task, and task groups all solve a similar problem: they allow us to create concurrency in our code so the system is able to run them efficiently. Beyo...
