io.reactivex.rxjava3.core

Interface ObservableConverter<T,R>

Type Parameters:

T - the upstream type

R - the output type

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ObservableConverter<T,R>

Convenience interface and callback used by the Observable.to(io.reactivex.rxjava3.core.ObservableConverter<T, ? extends R>) operator to turn an Observable into another value fluently.

History: 2.1.7 - experimental

Since:

2.2

Method Summary

Modifier and Type	Method and Description
R	apply(@NonNull Observable<T> upstream) Applies a function to the upstream Observable and returns a converted value of type R.

Method Detail

apply

R apply(@NonNull
        @NonNull Observable<T> upstream)

Applies a function to the upstream Observable and returns a converted value of type R.

Parameters:

upstream - the upstream Observable instance

Returns:

the converted value