| /* |
| * Copyright (c) 2021, 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 grammar of expressions is extended to allow any expression to |
| * be suffixed with a !. |
| * |
| * @description Check that any expression can be suffixed with a !. Test type |
| * aliases |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| // Requirements=nnbd-weak |
| class C {} |
| |
| typedef CAlias = C?; |
| CAlias c = C(); |
| |
| test(C c) {} |
| |
| main() { |
| test(c!); |
| } |
