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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import 'dart:async'; | 5 import 'dart:async'; |
6 | 6 |
7 /// A wrapper that forwards calls to a [Future]. | 7 /// A wrapper that forwards calls to a [Future]. |
8 class DelegatingFuture<T> implements Future<T> { | 8 class DelegatingFuture<T> implements Future<T> { |
9 /// The wrapped [Future]. | 9 /// The wrapped [Future]. |
10 final Future _future; | 10 final Future<T> _future; |
11 | 11 |
12 DelegatingFuture(this._future); | 12 DelegatingFuture(this._future); |
13 | 13 |
14 Stream<T> asStream() => _future.asStream(); | 14 Stream<T> asStream() => _future.asStream(); |
15 | 15 |
16 Future catchError(Function onError, {bool test(error)}) => | 16 Future catchError(Function onError, {bool test(Object error)}) => |
17 _future.catchError(onError, test: test); | 17 _future.catchError(onError, test: test); |
18 | 18 |
19 Future then(onValue(T value), {Function onError}) => | 19 Future/*<S>*/ then/*<S>*/(/*=S*/ onValue(T value), {Function onError}) => |
20 _future.then(onValue, onError: onError); | 20 _future.then(onValue, onError: onError); |
21 | 21 |
22 Future<T> whenComplete(action()) => _future.whenComplete(action); | 22 Future<T> whenComplete(action()) => _future.whenComplete(action); |
23 | 23 |
24 Future timeout(Duration timeLimit, {void onTimeout()}) => | 24 Future<T> timeout(Duration timeLimit, {void onTimeout()}) => |
25 _future.timeout(timeLimit, onTimeout: onTimeout); | 25 _future.timeout(timeLimit, onTimeout: onTimeout); |
26 } | 26 } |
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