| // 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 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 |
| |
| // Requirements=nnbd-strong |
| class C {} |
| |
| typedef CAlias = C?; |
| |
| test(C c) {} |
| |
| CAlias c = C(); |
| |
| main() { |
| test(c!); |
| } |
