| /* |
| * Copyright (c) 2019, 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 if the implements clause of a class |
| * C specifies a type T as a superinterface more than once. |
| * @description Checks that it is a compile-time error if the same type appears |
| * more than once in the implements clause. Test type aliases |
| * @compile-error |
| * @Issue 45526 |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| abstract class I {} |
| abstract class J {} |
| |
| typedef IAlias = I; |
| |
| class A implements I, J, IAlias {} |
| |
| main() { |
| new A(); |
| } |
