public static EventStream<Void> invalidationsOf(Observable observable) {
        return new EventStreamBase<Void>() {
            @Override
            protected Subscription observeInputs() {
                InvalidationListener listener = obs -> emit(null);
                observable.addListener(listener);
                return () -> observable.removeListener(listener);
            }
        };
    }
public static EventStream<Void> invalidationsOf(Observable observable) {
        return new EventStreamBase<Void>() {
            @Override
            protected Subscription observeInputs() {
                InvalidationListener listener = obs -> emit(null);
                observable.addListener(listener);
                return () -> observable.removeListener(listener);
            }
        };
    }
public static EventStream < Void > invalidationsOf ( Observable observable ) { return new EventStreamBase < Void > ( ) { @ Override protected Subscription observeInputs ( ) { InvalidationListener listener = obs -> emit ( null ) ; observable . addListener ( listener ) ; return ( ) -> observable . removeListener ( listener ) ; } } ; }
Creates an event stream that emits an impulse on every invalidation
of the given observable.
Creates an event stream that emits an impulse on every invalidation of the given observable .