| /* |
| * Copyright (c) 2018, 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. |
| */ |
| /** |
| * @assertion If more than one super-constraint interface declares a member |
| * with the same name, at least one of those members is more specific than the |
| * rest, and this is the unique signature that super-invocations are allowed |
| * to invoke. |
| * |
| * @description Checks that if more than one super-constraint interface declares |
| * a member with the same name and there is no member that is more specific |
| * than the rest, then this is a compile error |
| * @compile-error |
| * @author sgrekhov@unipro.ru |
| */ |
| |
| class I {} |
| class J {} |
| |
| class B { |
| String get b1 => "B"; |
| } |
| class C { |
| double get b1 => 3.14; |
| } |
| |
| mixin M on B, C implements I, J { |
| } |
| |
| class A implements B, C { |
| double get b1 => -3.14; |
| } |
| |
| class MA extends A with M { |
| } |
| |
| main() { |
| new MA(); |
| } |