static void Blocking()
{
var observable = new MyBlockingRangeObservable(5, 8);
var subscription1 = observable.Subscribe(new MyObserver <int>());
subscription1.Dispose();
Console.WriteLine();
var subscription2 = observable.Subscribe(new MyObserver <int>("Subscriber 2"));
subscription2.Dispose();
}
static void DemoDisposeNeverCalledIfClientForgets()
{
var observable = new MyBlockingRangeObservable(5, 8);
var subscription1 = observable.Subscribe(new MySlowObserver <int>());
}