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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 patch class Object { | 5 patch class Object { |
6 | 6 |
7 // The VM has its own implementation of equals. | 7 // The VM has its own implementation of equals. |
8 bool operator ==(other) native "Object_equals"; | 8 bool operator ==(other) native "Object_equals"; |
9 | 9 |
10 // Helpers used to implement hashCode. If a hashCode is used, we remember it | 10 // Helpers used to implement hashCode. If a hashCode is used, we remember it |
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64 _as(instantiator, instantiator_type_arguments, type) native "Object_as"; | 64 _as(instantiator, instantiator_type_arguments, type) native "Object_as"; |
65 | 65 |
66 static _symbolMapToStringMap(Map<Symbol, dynamic> map) { | 66 static _symbolMapToStringMap(Map<Symbol, dynamic> map) { |
67 var result = new Map<String, dynamic>(); | 67 var result = new Map<String, dynamic>(); |
68 map.forEach((Symbol key, value) { | 68 map.forEach((Symbol key, value) { |
69 result[internal.Symbol.getName(key)] = value; | 69 result[internal.Symbol.getName(key)] = value; |
70 }); | 70 }); |
71 return result; | 71 return result; |
72 } | 72 } |
73 | 73 |
74 int get _cid native "Object_cid"; | |
75 | |
76 _leftShiftWithMask32(count, mask) { | 74 _leftShiftWithMask32(count, mask) { |
77 return (this << count) & mask; | 75 return (this << count) & mask; |
78 } | 76 } |
79 } | 77 } |
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