| // 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 Any self reference in a typedef, either directly, or recursively | |
| /// via another typedef, is a compile time error. | |
| /// @description Checks that it is compile error to reference type alias with a | |
| /// type parameter as its formal parameter type. | |
| /// @compile-error | |
| /// @author ilya | |
| typedef F<T>(F<T> x); | |
| main() { | |
| F<int>? x; | |
| } |