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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 ...
1年前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 ...
1年前
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...
1年前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...
1年前How to make a task sleep 如何使任务进入休眠状态
Swift’s Task struct has a static sleep() method that will cause the current task to be suspended for a set period of time. You need to call Task.sleep()&n...
1年前What are tasks and task groups? 什么是任务和任务组？
Using async/await in Swift allows us to write asynchronous code that is easy to read and understand, but by itself it doesn’t enable us to run anything concurrently – even w...
1年前What’s the difference between a task and a detached task? 任务和分离任务有什么区别？
If you create a new task using the regular Task initializer, your work starts running immediately and inherits the priority of the caller, any task local values, and its ...
1年前How to control the priority of a task 如何控制任务的优先级
Swift tasks can have a priority attached to them, such as .high or .background, but the priority can also be nil if no specific priority was assigned. This...
1年前