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| 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
| 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. |
| 4 |
| 5 import 'dart:async'; |
| 6 |
| 7 class TypeSafeStreamSubscription<T> implements StreamSubscription<T> { |
| 8 final StreamSubscription _subscription; |
| 9 |
| 10 bool get isPaused => _subscription.isPaused; |
| 11 |
| 12 TypeSafeStreamSubscription(this._subscription); |
| 13 |
| 14 void onData(void handleData(T data)) { |
| 15 _subscription.onData((data) => handleData(data as T)); |
| 16 } |
| 17 |
| 18 void onError(Function handleError) { |
| 19 _subscription.onError(handleError); |
| 20 } |
| 21 |
| 22 void onDone(void handleDone()) { |
| 23 _subscription.onDone(handleDone); |
| 24 } |
| 25 |
| 26 void pause([Future resumeFuture]) { |
| 27 _subscription.pause(resumeFuture); |
| 28 } |
| 29 |
| 30 void resume() { |
| 31 _subscription.resume(); |
| 32 } |
| 33 |
| 34 Future cancel() => _subscription.cancel(); |
| 35 Future asFuture([futureValue]) => _subscription.asFuture(futureValue); |
| 36 } |
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