| // Copyright (c) 2012, 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. |
| |
| import "package:expect/expect.dart"; |
| |
| // It is a compile-time error if a named formal parameter begins with an '_' |
| |
| class Foo { |
| num _y; |
| Foo.optional_private({this._y: 77}) {} |
| } |
| |
| main() { |
| var obj; |
| obj = new Foo.optional_private(_y: 222); |
| Expect.equals(222, obj._y); |
| |
| obj = new Foo.optional_private(); |
| Expect.equals(77, obj._y); |
| } |
