uk.org.retep.math.model.Nop Maven / Gradle / Ivy
/*
* Copyright (c) 1998-2010, Peter T Mount
* All rights reserved.
*
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package uk.org.retep.math.model;
import uk.org.retep.math.MathematicsException;
import uk.org.retep.math.visitor.ArithmeticVisitor;
/**
* A No-Operation marker
* @author peter
*/
public class Nop
extends MathOp
{
private static final Nop instance = new Nop();
@SuppressWarnings( "unchecked" )
public static Nop getInstance()
{
return instance;
}
private Nop()
{
}
@Override
public Object accept( final ArithmeticVisitor visitor )
throws MathematicsException
{
return null;
}
}