| // Copyright (c) 2015, 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 It is a compile-time error for a class to attempt to extend, | |
| * mix in or implement int. | |
| * @description Checks that int cannot be mixed in abstract class | |
| * @compile-error | |
| * @author sgrekhov@unipro.ru | |
| */ | |
| class A {} | |
| abstract class C extends A with int {} | |
| main() { | |
| C? c = null; | |
| } |