On 11/13/06, Gareth Adams <gareth.adams / gmail.com> wrote:
> Farrel Lifson <farrel.lifson <at> gmail.com> writes:
>
> >
> > You're not actually passing the array around whenever you call
> > enter_dir, rather you're passing a reference to the object, so the
> > performance penalties should not be noticable at all.
> >
> > Farrel
> >
> >
>
>
> Hopefully that makes sense, but if it doesn't, imagine tying a long piece of
> string to a large rock and then giving the other end of the string to someone to
> hold
>
>
>

Or there's always the Binky Pointer video:
http://cslibrary.stanford.edu/104/

-Harold