排序
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 create a task group and add tasks to it 如何创建任务组并向其添加任务
Swift’s task groups are collections of tasks that work together to produce a single result. Each task inside the group must return the same kind of data, but if you use enum assoc...
How to cancel a task group 如何取消任务组
Swift’s task groups can be cancelled in one of three ways: if the parent task of the task group is cancelled, if you explicitly call cancelAll() on the group, or if one of your ...
How to handle different result types in a task group 如何处理任务组中的不同结果类型
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 ...
How to discard results in a task group 如何丢弃任务组中的结果
Swift has a special task group type called a discarding task group, which has a very specialized function: tasks that complete are automatically discarded and destroyed, ...
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...
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...
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 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...
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...