| // Copyright (c) 2018, 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 The mixin word is a built-in identifier to avoid parsing |
| * ambiguities. It does not need to be a reserved word. The identifier mixin was |
| * made a built-in identifier in Dart 2.0 |
| * |
| * @description Checks that the mixin word cannot be used as a type name |
| * @compile-error |
| * @author sgrekhov@unipro.ru |
| */ |
| |
| typedef mixin = int Function(Object a, Object b); |
| |
| main() { |
| mixin? m; |
| } |
