// #docregion import 'package:angular2/core.dart'; class User { final String name; final bool isAuthorized; User(this.name, [this.isAuthorized = false]); } // Todo: get the user; don't 'new' it. final User _alice = new User('Alice', true); final User _bob = new User('Bob', false); @Injectable() class UserService { User user; UserService() : user = _bob; // swap users User getNewUser() => user = user == _bob ? _alice : _bob; }