public Argument evaluate(ContextStack context, Argument arg1)
public Argument evaluate(ContextStack context, ArrayList args)
	public Argument evaluate(ContextStack context, Argument arg1)		throws MapyrusException	{		Argument retval;		if (arg1.getType() == Argument.HASHMAP)			retval = new Argument(arg1.getHashMapSize());		else			retval = new Argument(arg1.toString().length());		return(retval);	}