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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 // Checks that a method with an instantiated return type can override a method | 5 // Checks that a method with an instantiated return type can override a method |
6 // with a generic return type. | 6 // with a generic return type. |
7 | 7 |
8 typedef Collection<K> GetKeysFunctionType<K>(); | 8 typedef Collection<K> GetKeysFunctionType<K>(); |
9 | 9 |
10 class MapBase<K, V> implements Map<K, V> { | 10 class MapBase<K, V> implements Map<K, V> { |
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50 | 50 |
51 // Perform a few more tests. | 51 // Perform a few more tests. |
52 x.Tests(); | 52 x.Tests(); |
53 | 53 |
54 var m = new MapBase<int, int>(); | 54 var m = new MapBase<int, int>(); |
55 Expect.isTrue(m.getKeys is GetKeysFunctionType<int>); | 55 Expect.isTrue(m.getKeys is GetKeysFunctionType<int>); |
56 | 56 |
57 // Perform a few more tests. | 57 // Perform a few more tests. |
58 m.Tests(); | 58 m.Tests(); |
59 } | 59 } |
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