| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| static const b = const B(); |
| } |
| |
| class B implements A { |
| const B(); |
| |
| operator ==(o) => true; /// 00: compile-time error |
| } |
| |
| main() { |
| // It is a compile-time error if the key type overrides operator ==. |
| var m = const { A.b: 42 }; |
| Expect.equals(42, m[const B()]); |
| |
| m = const { "foo": 99, A.b: 499 }; |
| Expect.equals(499, m[const B()]); |
| } |
