net.sf.staccatocommons.defs.reduction
Interface Accumulator<A,B>

Type Parameters:

A - the type of the input accumulated value

B - the type of the output accumulated value

All Superinterfaces:

Thunk<B>

public interface Accumulator<A,B>
extends Thunk<B>

An imperative accumulator. See Reduction for more details.

Since:

1.2

Author:

flbulgarelli

Method Summary

void	accumulate(A element) Adds an element to this accumulator
B	value() Answers the accumulated value

Method Detail

accumulate

void accumulate(A element)

Adds an element to this accumulator

Parameters:

element - the element to add.

value

B value()

Answers the accumulated value

Specified by:

value in interface Thunk<B>

Returns:

the provided object. It is sometimes referred as the thunk's element