Overview 概要
This error is also thrown automatically by Task, if the current task has been canceled.
StructureCancellation
CancellationError
An error that indicates a task was canceled.
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
struct CancellationErrorTopics 話題
Initializers イニシャライザ
Relationships 関係
Conforms To 次に準拠
See Also 参照
Canceling Tasks タスクの取り消し
func cancel()Indicates that the task should stop running.
var isCancelled : BoolA Boolean value that indicates whether the task should stop executing.
static var isCancelled : BoolA Boolean value that indicates whether the task should stop executing.
Available when
Success is Never and Failure is Never.
SuccessがNeverであるそしてFailureがNeverである時に利用可能です。
static func checkCancellation ()Throws an error if the task was canceled.
Available when
Success is Never and Failure is Never.
SuccessがNeverであるそしてFailureがNeverである時に利用可能です。
func withTaskCancellationHandler <T>(operation: () -> T, onCancel : @Sendable () -> Void) -> TExecute an operation with a cancellation handler that’s immediately invoked if the current task is canceled.
現在のタスクが取り消されるならば直ちに発動されるある取り消しハンドラを備えた操作を遂行します。
func withTaskCancellationHandler <T>(handler: @Sendable () -> Void, operation: () -> T) -> TExecute an operation with a cancellation handler that’s immediately invoked if the current task is canceled.
現在のタスクが取り消されるならば直ちに発動されるある取り消しハンドラを備えた操作を遂行します。