001/*
002 * $Id$
003 */
004
005package edu.jas.structure;
006
007
008/**
009 * Binary functor interface.
010 * @param <C1> element type
011 * @param <C2> element type
012 * @param <D> element type
013 * @author Heinz Kredel
014 */
015
016public interface BinaryFunctor<C1 extends Element<C1>, C2 extends Element<C2>, D extends Element<D>> {
017
018
019    /**
020     * Evaluate.
021     * @return evaluated element.
022     */
023    public D eval(C1 c1, C2 c2);
024
025}