| // Copyright (c) 2011, 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 special type void may only be used as the return type of a | |
| /// function: it is a compile-time error to use void in any other context. | |
| /// For example, as a type argument, or as the type of a variable or parameter. | |
| /// @description Checks that with generalized void specifying [void] as a type | |
| /// argument causes no compile-time error. | |
| /// @author iefremov | |
| class A<T> {} | |
| main() { | |
| A<void>? a = null; | |
| } |