| /* |
| * 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 The effect of a class definition of the form class C = M; or the |
| * form class C<T1,...,Tn> = M; in library L is to introduce the name C into |
| * the scope of L, bound to the class defined by the mixin application M. |
| * The name of the class is also set to C. Iff the class is prefixed by the |
| * built-in identifier abstract, the class being defined is an abstract class. |
| * @description Checks that compile error is issued, if class C declared without |
| * 'abstract' identifier does not implement all abstract methods. |
| * @compile-error |
| * @author sgrekhov@unipro.ru |
| */ |
| |
| abstract class M { |
| int n(); |
| } |
| |
| abstract class S { |
| int m(); |
| } |
| |
| class C = S with M; |
| |
| main() { |
| new C(); |
| } |