| // 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 A { |
| const A(); |
| } |
| |
| mixin B { |
| static const int value = 1; |
| } |
| |
| class C1 extends A with B { |
| const C1(); |
| } |
| |
| class C2 = A with B; |
| |
| class C3 extends C2 { |
| const C3(); |
| } |
| |
| mixin D { |
| int value = 1; |
| } |
| |
| class E1 extends A with D { |
| const E1(); |
| } |
| |
| class E2 = A with D; |
| |
| class E3 extends E2 { |
| const E3(); |
| } |
| |
| main() {} |
