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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 'union_selector.dart'; | 6 import 'union_selector.dart'; |
7 | 7 |
8 /// A selector that matches inputs that both of its sub-selectors match. | 8 /// A selector that matches inputs that both of its sub-selectors match. |
9 class IntersectionSelector implements BooleanSelector { | 9 class IntersectionSelector implements BooleanSelector { |
10 final BooleanSelector _selector1; | 10 final BooleanSelector _selector1; |
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25 | 25 |
26 BooleanSelector union(BooleanSelector other) => | 26 BooleanSelector union(BooleanSelector other) => |
27 new UnionSelector(this, other); | 27 new UnionSelector(this, other); |
28 | 28 |
29 void validate(bool isDefined(String variable)) { | 29 void validate(bool isDefined(String variable)) { |
30 _selector1.validate(isDefined); | 30 _selector1.validate(isDefined); |
31 _selector2.validate(isDefined); | 31 _selector2.validate(isDefined); |
32 } | 32 } |
33 | 33 |
34 String toString() => "($_selector1) && ($_selector2)"; | 34 String toString() => "($_selector1) && ($_selector2)"; |
| 35 |
| 36 bool operator==(other) => |
| 37 other is IntersectionSelector && |
| 38 _selector1 == other._selector1 && |
| 39 _selector2 == other._selector2; |
| 40 |
| 41 int get hashCode => _selector1.hashCode ^ _selector2.hashCode; |
35 } | 42 } |
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