| // 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. | |
| abstract class Mixin {} | |
| class Base { | |
| final int x; | |
| const Base(this.x); | |
| } | |
| class Application = Base with Mixin; | |
| main() { | |
| expect(42, const Application(42).x); | |
| } | |
| expect(expected, actual) { | |
| if (expected != actual) throw 'Expected $expected, actual $actual'; | |
| } |