| /* |
| * 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 static warning if an instance method m1 overrides an |
| * instance member m2 and m1 does not declare all the named parameters declared |
| * by m2. |
| * @description Checks that a compile error is produced if m1 has fewer named |
| * parameters than m2 (1 vs. 0) and neither have any required parameters. Test |
| * type aliases |
| * @compile-error |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| |
| class A { |
| f({var x}) {} |
| } |
| typedef AAlias = A; |
| |
| class C extends AAlias { |
| f() { } |
| } |
| |
| main() { |
| new A().f(x: 1); |
| new C().f(); |
| } |
