zundel@google.com
b6dbbbc0ec
See issue http://code.google.com/p/dart/issues/detail?id=2493 Review URL: https://chromiumcodereview.appspot.com//10541095 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@8631 260f80e4-7a28-3924-810f-c04153c831b5
20 lines
523 B
Dart
20 lines
523 B
Dart
// 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.
|
|
|
|
// 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);
|
|
}
|