// 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 It is a compile-time error if a class declares two members of 
 * the same name.
 * @description Checks that it is a compile-time error if a class declares 
 * a function and a getter of the same name.
 * @compile-error
 * @author rodionov
 */

class C {
  void f() {}
  int get f {return 1;}
}

main() {
  new C();
}
