// 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 generic type in a typedef declaration can
/// be used inside that declaration as the name of a type or as a name
/// of a formal parameter without errors or warnings.
/// @author iefremov


typedef F<F>(F f);

main() {
  null is F;
}