With rxscala, we can subscribe on the observables like this:
val stream = Observable.just(1, 2, 3)
stream.subscribe(x => doSomething(x))
stream.subscribe(x => doSomething(x))
stream.subscribe(x => doSomething(x))
stream.subscribe(x => doSomething(x))
Is it possible to unsubscribe all the observers(there are 4) from the stream
side?