public Argument evaluate(ContextStack context, Argument arg1, Argument arg2) throws MapyrusException { throw new MapyrusException(MapyrusMessages.get(MapyrusMessages.CLASS_NOT_FUNCTION)); }
public Argument evaluate(ContextStack context, ArrayList args) throws MapyrusException;
	public Argument evaluate(ContextStack context,		Argument arg1, Argument arg2) throws MapyrusException	{		throw new MapyrusException(MapyrusMessages.get(MapyrusMessages.CLASS_NOT_FUNCTION));	}