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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 _js_helper; | 5 part of _js_helper; |
6 | 6 |
7 abstract class ConstantMap<K, V> implements Map<K, V> { | 7 abstract class ConstantMap<K, V> implements Map<K, V> { |
8 const ConstantMap._(); | 8 const ConstantMap._(); |
9 | 9 |
10 bool get isEmpty => length == 0; | 10 bool get isEmpty => length == 0; |
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136 Iterable<K> get keys { | 136 Iterable<K> get keys { |
137 return _getMap().keys; | 137 return _getMap().keys; |
138 } | 138 } |
139 | 139 |
140 Iterable<V> get values { | 140 Iterable<V> get values { |
141 return _getMap().values; | 141 return _getMap().values; |
142 } | 142 } |
143 | 143 |
144 int get length => _getMap().length; | 144 int get length => _getMap().length; |
145 } | 145 } |
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