Interface StreamableOperator<T,R>

Type Parameters:
T - the value type of the upstream
R - the value type of the downstream
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 StreamableOperator<@NonNull T, @NonNull R>
Interface to map/wrap an upstream Streamer to an downstream Streamer.
Since:
4.0.0