| /* |
| * 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 error if an abstract member m is declared or |
| * inherited in a concrete class C unless: |
| * - m overrides a concrete member, or |
| * - C has a noSuchMethod() method distinct from the one declared in class |
| * Object. |
| * @description Checks that it is a compile error if an abstract method is |
| * declared in a concrete class. Test type aliases |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| |
| class A { |
| foo([x]); |
| //^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| typedef AAlias = A; |
| |
| class B extends AAlias { |
| foo([x]) {} |
| } |
| |
| main() { |
| new B(); |
| } |
