move fancy_syntax into Dart SVN

pkg/polymer_expressions/example/person.dart

+// Copyright (c) 2013, 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.
+
+library person;
+
+import 'package:observe/observe.dart';
+
+class Person extends ChangeNotifierBase {
+  static const _FIRST_NAME = const Symbol('firstName');
+  static const _LAST_NAME = const Symbol('lastName');
+  static const _ITEMS = const Symbol('items');
+  static const _GET_FULL_NAME = const Symbol('getFullName');
+
+  String _firstName;
+  String _lastName;
+  List<String> _items;
+
+  Person(this._firstName, this._lastName, this._items);
+
+  String get firstName => _firstName;
+
+  void set firstName(String value) {
+    _firstName = value;
+    notifyChange(new PropertyChangeRecord(_FIRST_NAME));
+  }
+
+  String get lastName => _lastName;
+
+  void set lastName(String value) {
+    _lastName = value;
+    notifyChange(new PropertyChangeRecord(_LAST_NAME));
+  }
+
+  String getFullName() => '$_firstName $_lastName';
+
+  List<String> get items => _items;
+
+  void set items(List<String> value) {
+    _items = value;
+    notifyChange(new PropertyChangeRecord(_ITEMS));
+  }
+
+  String toString() => "Person(firstName: $_firstName, lastName: $_lastName)";
+
+}