Method repeatWhen

src/main/java/io/reactivex/rxjava3/core/Single.java:4332–4338

Re-subscribes to the current Single if the Publisher returned by the handler function signals a value in response to a value signaled through the Flowable the handler receives. <img width="640" height="1480" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-oper

(@NonNull Function<? super Flowable<Object>, @NonNull ? extends Publisher<@NonNull ?>> handler)

     * @since 2.0
     */
    @BackpressureSupport(BackpressureKind.FULL)
    @CheckReturnValue
    @SchedulerSupport(SchedulerSupport.NONE)
    @NonNull
    public final Flowable<T> repeatWhen(@NonNull Function<? super Flowable<Object>, @NonNull ? extends Publisher<@NonNull ?>> handler) {
        return toFlowable().repeatWhen(handler);
    }

    /**
     * Re-subscribes to the current {@code Single} until the given {@link BooleanSupplier} returns {@code true}