| // 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 A class has a set of direct superinterfaces. This set includes | |
| /// the interface of its superclass and the interfaces specified in the | |
| /// implements clause of the class. | |
| /// interfaces: | |
| /// implements typeList | |
| /// ; | |
| /// @description Checks that it is a compile-time error if the implements | |
| /// clause of a class does not list any types. | |
| /// @author rodionov | |
| class A implements {} | |
| // ^ | |
| // [analyzer] unspecified | |
| // [cfe] unspecified | |
| main() { | |
| new A(); | |
| } |