/*
 * 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 Optional parameters may be specified and provided with default
 * values.
 * defaultFormalParameter:
 *   normalFormalParameter ('=' expression)?
 * ;
 * defaultNamedParameter:
 *   normalFormalParameter (':' expression)?
 * ;
 * @description Checks that it is not a compile-time error if the name of a
 * positional optional parameter begins with an '_' character.
 * @author msyabro
 * @note renamed from 2_Optional_Formals_A03_t01
 */

main() {
  void func([var _x]) {}
  func(1);
}