Language/Functions/Formal_Parameters/Optional_Formals/name_t02.dart

// 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 the name of a named
/// optional parameter begins with an _ character.
/// @description Checks that it is a compile-time error if the name of a named
/// optional parameter begins with an '_' character.
/// @compile-error
/// @author rodionov


class A {
  var _p;
  A({this._p: ""}) {
    print(_p);
  }
}

main() {
  new A(_p: "Optional parameters names must not begin with an underscore!");
}