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<@NonNull Upstream, @NonNull Downstream>

Interface to compose Maybes.

Method Summary

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

Method Details

apply

@NonNull
@NonNull MaybeSource<Downstream> apply(@NonNull
 @NonNull Maybe<@NonNull 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