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I have a piece of Observable which in the end either returns an error and retries or just returns onNext. I don't need anything in onNext, so this is just an Observable<Unit>.
Now the problem is that at the end of the chain I have to hit this onNext and I don't have anything other than good old Observable.just(). But I cannot return Observable.just(null) because it returns Nothing?, not Unit. I cannot return Unit, because it's not instantiable. Therefore I have Observable.just(null).map{}. It works, but looks ugly. Any idea for a better solution?
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Delegates. observable() is another built-in delegate of the Kotlin Standard Library.
A Disposable is a stream or a link between an Observable and an Observer . A quick check of the documentation shows that it has two main methods, dispose() and isDisposed() .
Use Observable.just(Unit). Unit itself is the single object of the type Unit.
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