| // Copyright (c) 2011, 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 error if the implicit interface of a class |
| * C includes an instance member m of type F and C declares or inherits a |
| * corresponding instance member m of type F' if F' is not a subtype of F. |
| * @description Checks that it is a compile error if the type F' of |
| * inherited instance member m is not a subtype of F. |
| * @compile-error |
| * @author ilya |
| */ |
| |
| abstract class I { |
| foo(var x); |
| } |
| |
| class S { |
| foo() {} |
| } |
| |
| class C extends S implements I {} |
| |
| main () { |
| new C(); |
| } |
