static void Main(string[] args) { NewsAgregator newsAgregator = new NewsAgregator(); Reader steve = new Reader("Steve"); Reader bill = new Reader("Bill"); IDisposable steveSubscription = newsAgregator.Subscribe(steve); IDisposable billSubscription = newsAgregator.Subscribe(bill); News news1 = new News("Title1", "Content1"); News news2 = new News("Title2", "Content2"); newsAgregator.Notify(news1); steveSubscription.Dispose(); newsAgregator.Notify(news2); billSubscription.Dispose(); }
static void Main(string[] args) { NewsAgregator newsAgregator = new NewsAgregator(); Reader steve = new Reader("Steve"); Reader bill = new Reader("Bill"); newsAgregator.Subscribe(steve); newsAgregator.Subscribe(bill); News news1 = new News("Title1", "Content1"); News news2 = new News("Title2", "Content2"); newsAgregator.Notify(news1); newsAgregator.Unsubscribe(steve); newsAgregator.Notify(news2); newsAgregator.Unsubscribe(bill); }