| // 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 classDefinition: |
| /// metadata abstract? class identifier typeParameters? (superclass mixins?)? |
| /// interfaces? ‘{’ (metadata classMemberDefinition)* ‘}’ | |
| /// metadata abstract? class mixinApplicationClass |
| /// ; |
| /// ... |
| /// It is a compile-time error if the superclass of a class C is specified as a |
| /// superinterface of C. |
| /// ... |
| /// @description Checks that it is a compile-time error if the superclass of a |
| /// class C is specified as a superinterface of C. |
| /// @author sgrekhov@unipro.ru |
| /// @issue dart-lang/co19#129 |
| /// @issue 31624 |
| |
| class X = A with B implements A; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| abstract class A {} |
| class B {} |
| |
| main() { |
| new X(); |
| } |
