| /* |
| * 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 Unless explicitly stated otherwise, all ordinary rules that apply to methods |
| * apply to abstract methods. |
| * It is a compile error if an instance method m1 overrides an instance member |
| * m2 and m1 has fewer positional parameters than m2. |
| * @description Checks that it is a compile error if an instance method m1 |
| * overrides an abstract instance member m2 and m1 has fewer positional |
| * parameters than m2. Test type aliases |
| * @compile-error |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| |
| abstract class A { |
| foo(var a, [x, y]); |
| } |
| typedef AAlais = A; |
| |
| class C extends AAlias { |
| foo(var a, [x]) {} |
| } |
| |
| main() { |
| new C().foo(1); |
| } |