net.sf.jga.fn.arithmetic

Class Minus<T>

public class Minus<T extends Number> extends AbstractBinaryFunctor<T,T,T> implements Serializable

Returns the difference of two numeric arguments.

Copyright © 2003 David A. Hall

Author: David A. Hall

Nested Class Summary
interfaceMinus.Visitor
Interface for classes that may interpret a Minus functor.
Constructor Summary
Minus(Class c)
Builds Minus functor for the given class.
Method Summary
voidaccept(Visitor v)
Calls the Visitor's visit(Minus) method, if it implements the nested Visitor interface.
Tfn(T x, T y)
Given numeric arguments x and y, returns x - y
StringtoString()

Constructor Detail

Minus

public Minus(Class c)
Builds Minus functor for the given class. The class argument must be the same as the generic class argument (when generics are in use) or else a ClassCastException will be thrown when the functor is used.

Throws: IllegalArgumentException if the given class has no Arithmetic implementation registered with the ArithmeticFactory

Method Detail

accept

public void accept(Visitor v)
Calls the Visitor's visit(Minus) method, if it implements the nested Visitor interface.

fn

public T fn(T x, T y)
Given numeric arguments x and y, returns x - y

Returns: the difference of two numeric arguments

toString

public String toString()