Cancelable<R> class

Implemented types

• Future<R>

Available extensions

• FutureExtensions
• FutureOfJSAnyToJSPromise
• FutureOfVoidToJSPromise

Constructors

Cancelable.new({required Completer<R> completer, void onCancel()?})

Cancelable.fromFuture(Future<R> future)

factory

Properties

future → Future<R>

no setter

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

toJS → JSPromise<T>

Available on Future<T>, provided by the FutureOfJSAnyToJSPromise extension

A JSPromise that either resolves with the result of the completed Future or rejects with an object that contains its error.

no setter

toJS → JSPromise<JSAny?>

Available on Future<void>, provided by the FutureOfVoidToJSPromise extension

A JSPromise that either resolves once this Future completes or rejects with an object that contains its error.

no setter

Methods

asStream() → Stream<R>

Creates a Stream containing the result of this future.

override

cancel() → void

catchError(Function onError, {bool test(Object error)?}) → Future<R>

Handles errors emitted by this Future.

override

ignore() → void

Available on Future<T>, provided by the FutureExtensions extension

Completely ignores this future and its result.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

onError<E extends Object>(FutureOr<T> handleError(E error, StackTrace stackTrace), {bool test(E error)?}) → Future<T>

Available on Future<T>, provided by the FutureExtensions extension

Handles errors on this future.

then<T>(FutureOr<T> onValue(R value), {Function? onError}) → Future<T>

Register callbacks to be called when this future completes.

override

thenNext<T>(FutureOr<T> onValue(R value), [FutureOr<T> onError(Object error)?]) → Cancelable<T>

timeout(Duration timeLimit, {FutureOr onTimeout()?}) → Future<R>

Stop waiting for this future after timeLimit has passed.

override

toString() → String

A string representation of this object.

inherited

whenComplete(FutureOr action()) → Future<R>

Registers a function to be called when this future completes.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

mergeAll<T>(Iterable<Cancelable<T>> cancelables) → Cancelable<Iterable<T>>