UnaryFunction

Type Parameters:

A - the argument type.

T - the returned value type.

All Superinterfaces:

Functor, UnaryFunctor<A>

All Known Implementing Classes:

BinaryFunctionUnaryFunction, CollectionTransformer, CompositeUnaryFunction, CompositeUnaryFunction.Helper, 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:

$Revision$ $Date$

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  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