com.cognitect.transducers

Interface IReducingFunction<R,T>

Type Parameters:

R - Type of first argument and return value

T - Type of input to reduce

All Superinterfaces:

IStepFunction<R,T>

All Known Implementing Classes:

AReducingFunction, AReducingFunctionOn

public interface IReducingFunction<R,T>
extends IStepFunction<R,T>

A complete reducing function. Extends a single reducing step function and adds a zero-arity function for initializing a new result and a single-arity function for processing the final result after the reduction process has completed.

Method Summary

Methods

Modifier and Type	Method and Description
R	apply() Returns a newly initialized result.
R	apply(R result) Completes processing of a final result.

Methods inherited from interface com.cognitect.transducers.IStepFunction

apply

Method Detail

apply

R apply()

Returns a newly initialized result.

Returns:

a new result

apply

R apply(R result)

Completes processing of a final result.

Parameters:

result - the final reduction result

Returns:

the completed result