org.apache.commons.functor
Interface BinaryFunction<L,R,T>

Type Parameters:

L - the left argument type.

R - the right argument type.

T - the returned value type.

All Superinterfaces:

BinaryFunctor<L,R>, Functor

All Known Implementing Classes:

BinaryCompositeBinaryFunction, BinaryPredicateBinaryFunction, BinaryProcedureBinaryFunction, ComparatorFunction, ConditionalBinaryFunction, Constant, FindWithinGenerator, FoldLeft, FoldRight, IgnoreLeftFunction, IgnoreRightFunction, IndexOfInGenerator, Max, Min, TransformedBinaryFunction, TransposedFunction, UnaryCompositeBinaryFunction

public interface BinaryFunction<L,R,T>
extends BinaryFunctor<L,R>

A functor that takes two arguments and returns a value.

Implementors are encouraged but not required to make their functors Serializable.

Since:

1.0

Version:

$Revision: 1156732 $ $Date: 2011-08-11 20:55:42 +0200 (Thu, 11 Aug 2011) $

Author:

Rodney Waldhoff

Method Summary

T	evaluate(L left, R right) Evaluate this function.

Methods inherited from interface org.apache.commons.functor.Functor

equals, hashCode, toString

Method Detail

evaluate

T evaluate(L left,
           R right)

Evaluate this function.

Parameters:

left - the L element of the ordered pair of arguments

right - the R element of the ordered pair of arguments

Returns:

the T result of this function for the given arguments