flat Map Observable
Calls the mapper with the value emitted by the Maybe and subscribes to the returned inner Observable. Emits values from the inner Observable.
Please refer to the corresponding RxJava document.
fun <T, U, R> Maybe<T>.flatMapObservable(mapper: (T) -> Observable<U>, resultSelector: (T, U) -> R): Observable<R>
Calls the mapper with the value emitted by the Maybe and subscribes to the returned inner Observable. For each value emitted by the inner Observable, calls the resultSelector function with the original and the inner values and emits the result.
Please refer to the corresponding RxJava document.