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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 /** | 5 /** |
| 6 * Everything in Dart is an [Object]. | 6 * Everything in Dart is an [Object]. |
| 7 */ | 7 */ |
| 8 class Object { | 8 class Object { |
| 9 const Object(); | 9 const Object(); |
| 10 | 10 |
| 11 bool operator ==(other) => identical(this, other); | 11 bool operator ==(other) => identical(this, other); |
| 12 | 12 |
| 13 external String toString(); | 13 external String toString(); |
| 14 | 14 |
| 15 external void noSuchMethod(String name, List args); | 15 external void noSuchMethod(String name, List args); |
| 16 | |
| 17 external Type runtimeType(); | |
| 18 } | 16 } |
| 19 | 17 |
| 20 abstract class Type {} | |
| 21 | |
| 22 /** | 18 /** |
| 23 * Check whether two references are to the same object. | 19 * Check whether two references are to the same object. |
| 24 */ | 20 */ |
| 25 bool identical(Object a, Object b) => a === b; | 21 bool identical(Object a, Object b) => a === b; |
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