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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 part of dart.core; |
| 6 |
5 /** | 7 /** |
6 * A [Map] is an associative container, mapping a key to a value. | 8 * A [Map] is an associative container, mapping a key to a value. |
7 * Null values are supported, but null keys are not. | 9 * Null values are supported, but null keys are not. |
8 */ | 10 */ |
9 abstract class Map<K, V> { | 11 abstract class Map<K, V> { |
10 /** | 12 /** |
11 * Creates a map with the default implementation. | 13 * Creates a map with the default implementation. |
12 */ | 14 */ |
13 factory Map() => new _HashMapImpl<K, V>(); | 15 factory Map() => new _HashMapImpl<K, V>(); |
14 | 16 |
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518 | 520 |
519 void clear() { | 521 void clear() { |
520 _map.clear(); | 522 _map.clear(); |
521 _list.clear(); | 523 _list.clear(); |
522 } | 524 } |
523 | 525 |
524 String toString() { | 526 String toString() { |
525 return Maps.mapToString(this); | 527 return Maps.mapToString(this); |
526 } | 528 } |
527 } | 529 } |
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