| // 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 A new primitive type Never. This type is denoted by the built-in |
| /// type declaration Never declared in dart:core. |
| /// |
| /// @description Check new primitive type Never |
| /// @author sgrekhov@unipro.ru |
| |
| // Requirements=nnbd-strong |
| import '../../Utils/expect.dart'; |
| |
| typedef Neverland = Never; |
| |
| main() { |
| Object? o; |
| Expect.isFalse(o is Neverland); |
| } |
