io.reactivex.rxjava3.core

Interface MaybeTransformer<Upstream,Downstream>

Type Parameters:

Upstream - the upstream value type

Downstream - the downstream value 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 MaybeTransformer<Upstream,Downstream>

Interface to compose Maybes.

Method Summary

Modifier and Type	Method and Description
@NonNull MaybeSource<Downstream>	apply(@NonNull Maybe<Upstream> upstream) Applies a function to the upstream Maybe and returns a MaybeSource with optionally different element type.

Method Detail

apply

@NonNull
@NonNull MaybeSource<Downstream> apply(@NonNull
                                                @NonNull Maybe<Upstream> upstream)

Applies a function to the upstream Maybe and returns a MaybeSource with optionally different element type.

Parameters:

upstream - the upstream Maybe instance

Returns:

the transformed MaybeSource instance