| // Copyright (c) 2020, 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. |
| |
| // @dart=2.9 |
| |
| class Foo extends B with D {} |
| abstract class B implements C { |
| bool operator==(dynamic) { |
| print("B.=="); |
| return true; |
| } |
| void x() { |
| print("B.x"); |
| } |
| } |
| abstract class C {} |
| abstract class D implements C { |
| bool operator==(dynamic) { |
| print("D.=="); |
| return true; |
| } |
| |
| void x() { |
| print("D.x"); |
| } |
| } |