Return Value 戻り値
The value returned by the next child task that completes, or nil if there are no remaining child tasks,
Instance Method
インスタンスメソッド
next()
Advances to and returns the result of the next child task.
Availability
- iOS 13.0+
- iPadOS 13.0+
- macOS 10.15+
- Mac Catalyst 15.0+
- tvOS 13.0+
- watchOS 6.0+
- Xcode 13.0+
Technology
- Swift Standard Library Swift標準ライブラリ
Declaration 宣言
mutating func next() async throws -> ThrowingTaskGroup <ChildTaskResult , Failure>.Iterator.Element?Discussion 解説
The elements returned from this method appear in the order that the tasks completed, not in the order that those tasks were added to the task group.
このメソッドから返される要素それらは、タスクそれらが完了した順番に現れます、それらタスクがタスクグループに加えられた順番にではなく。
After this method returns nil, this iterator is guaranteed to never produce more values.
For more information about the iteration order and semantics, see Throwing
反復順序と意味論についてのさらなる情報として、Throwingを見てください。