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Side by Side Diff: utils/pub/yaml/deep_equals.dart

Issue 11358145: Update utils to new library syntax. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 1 month ago
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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 #library("deep_equals"); 5 library deep_equals;
6 6
7 /** 7 /**
8 * Returns whether two objects are structurally equivalent. This considers NaN 8 * Returns whether two objects are structurally equivalent. This considers NaN
9 * values to be equivalent. It also handles self-referential structures. 9 * values to be equivalent. It also handles self-referential structures.
10 */ 10 */
11 bool deepEquals(obj1, obj2, [List parents1, List parents2]) { 11 bool deepEquals(obj1, obj2, [List parents1, List parents2]) {
12 if (obj1 === obj2) return true; 12 if (obj1 === obj2) return true;
13 if (parents1 == null) { 13 if (parents1 == null) {
14 parents1 = []; 14 parents1 = [];
15 parents2 = []; 15 parents2 = [];
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after
67 } 67 }
68 68
69 /** 69 /**
70 * Returns whether two doubles are equivalent. This differs from `d1 == d2` in 70 * Returns whether two doubles are equivalent. This differs from `d1 == d2` in
71 * that it considers NaN to be equal to itself. 71 * that it considers NaN to be equal to itself.
72 */ 72 */
73 bool _doubleEquals(double d1, double d2) { 73 bool _doubleEquals(double d1, double d2) {
74 if (d1.isNaN && d2.isNaN) return true; 74 if (d1.isNaN && d2.isNaN) return true;
75 return d1 == d2; 75 return d1 == d2;
76 } 76 }
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