net.sf.arise.piji.fun
Class EqualsFunction

java.lang.Object
  |
  +--net.sf.arise.piji.AbstractFunction
        |
        +--net.sf.arise.piji.fun.AbstractCompareFunction
              |
              +--net.sf.arise.piji.fun.EqualsFunction

All Implemented Interfaces:

Function

public class EqualsFunction

extends AbstractCompareFunction

equals! takes a symbol and an optional numeric value, and increases the value bound to the symbol by one or the numeric value, if given

Author:

Kjetil Valstadsve

Constructor Summary

EqualsFunction(Context ctx)

Method Summary

protected boolean	compareFailed(java.lang.Object last, java.lang.Object value)
protected boolean	requiresComparable()

Methods inherited from class net.sf.arise.piji.fun.AbstractCompareFunction

apply

Methods inherited from class net.sf.arise.piji.AbstractFunction

checkArgumentCount, checkLeaf, checkLeaf, checkList, checkList, checkString, checkString, checkSymbol, checkSymbol, checkSymbol, checkSymbol, fillContext, fillContext, getArgumentCount, getContext, getDocumentationString, isLeaf, isList, isString, isSymbol, isVararg

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EqualsFunction

public EqualsFunction(Context ctx)

Method Detail

requiresComparable

protected boolean requiresComparable()

Overrides:

requiresComparable in class AbstractCompareFunction

compareFailed

protected boolean compareFailed(java.lang.Object last,
                                java.lang.Object value)

Specified by:

compareFailed in class AbstractCompareFunction