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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 library async.stream_events; | |
6 | |
7 import 'dart:async'; | 5 import 'dart:async'; |
8 import 'dart:collection'; | 6 import 'dart:collection'; |
9 | 7 |
| 8 import "result.dart"; |
10 import "subscription_stream.dart"; | 9 import "subscription_stream.dart"; |
11 import "stream_completer.dart"; | 10 import "stream_completer.dart"; |
12 import "../result.dart"; | |
13 | 11 |
14 /// An asynchronous pull-based interface for accessing stream events. | 12 /// An asynchronous pull-based interface for accessing stream events. |
15 /// | 13 /// |
16 /// Wraps a stream and makes individual events available on request. | 14 /// Wraps a stream and makes individual events available on request. |
17 /// | 15 /// |
18 /// You can request (and reserve) one or more events from the stream, | 16 /// You can request (and reserve) one or more events from the stream, |
19 /// and after all previous requests have been fulfilled, stream events | 17 /// and after all previous requests have been fulfilled, stream events |
20 /// go towards fulfilling your request. | 18 /// go towards fulfilling your request. |
21 /// | 19 /// |
22 /// For example, if you ask for [next] two times, the returned futures | 20 /// For example, if you ask for [next] two times, the returned futures |
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639 _completer.complete(true); | 637 _completer.complete(true); |
640 return true; | 638 return true; |
641 } | 639 } |
642 if (isDone) { | 640 if (isDone) { |
643 _completer.complete(false); | 641 _completer.complete(false); |
644 return true; | 642 return true; |
645 } | 643 } |
646 return false; | 644 return false; |
647 } | 645 } |
648 } | 646 } |
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