org.apache.commons.functor
Interface UnaryFunction<A,T>

Type Parameters:

A - the argument type.

T - the returned value type.

All Superinterfaces:

Functor, UnaryFunctor<A>

All Known Implementing Classes:

BinaryFunctionUnaryFunction, CollectionTransformer, CompositeUnaryFunction, ConditionalUnaryFunction, Constant, FoldLeft, FoldRight, FunctionUnaryFunction, Identity, LeftBoundFunction, RightBoundFunction, Size, UnaryPredicateUnaryFunction, UnaryProcedureUnaryFunction

public interface UnaryFunction<A,T>
extends UnaryFunctor<A>

A functor that takes one argument and returns an Object value.

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

Since:

1.0

Version:

$Revision: 1156738 $ $Date: 2011-08-11 21:01:15 +0200 (Thu, 11 Aug 2011) $

Author:

Rodney Waldhoff

Method Summary

T	evaluate(A obj) Evaluate this function.

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

equals, hashCode, toString

Method Detail

evaluate

T evaluate(A obj)

Evaluate this function.

Parameters:

obj - the A object to evaluate

Returns:

the T result of this evaluation