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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2016, 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 import '../boolean_selector.dart'; | 5 import '../boolean_selector.dart'; |
6 import 'intersection_selector.dart'; | 6 import 'intersection_selector.dart'; |
7 | 7 |
8 /// A selector that matches inputs that either of its sub-selectors match. | 8 /// A selector that matches inputs that either of its sub-selectors match. |
9 class UnionSelector implements BooleanSelector { | 9 class UnionSelector implements BooleanSelector { |
10 final BooleanSelector _selector1; | 10 final BooleanSelector _selector1; |
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23 | 23 |
24 BooleanSelector union(BooleanSelector other) => | 24 BooleanSelector union(BooleanSelector other) => |
25 new UnionSelector(this, other); | 25 new UnionSelector(this, other); |
26 | 26 |
27 void validate(bool isDefined(String variable)) { | 27 void validate(bool isDefined(String variable)) { |
28 _selector1.validate(isDefined); | 28 _selector1.validate(isDefined); |
29 _selector2.validate(isDefined); | 29 _selector2.validate(isDefined); |
30 } | 30 } |
31 | 31 |
32 String toString() => "($_selector1) && ($_selector2)"; | 32 String toString() => "($_selector1) && ($_selector2)"; |
| 33 |
| 34 bool operator==(other) => |
| 35 other is UnionSelector && |
| 36 _selector1 == other._selector1 && |
| 37 _selector2 == other._selector2; |
| 38 |
| 39 int get hashCode => _selector1.hashCode ^ _selector2.hashCode; |
33 } | 40 } |
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