code critique requested - just 60 lines

[Terrence Brannon]

On Oct 2, 11:09 am, Steven D'Aprano <st... at REMOVE-THIS-
cybersource.com.au> wrote:
> On Thu, 02 Oct 2008 07:51:30 -0700, Terrence Brannon wrote:

>
> > Basically, using non-strict dictionary keys can lead to bugs, so that
> > worried me.
>
> What's a "non-strict dictionary key"?
>

In Perl, you can pre-define what keys are allowed in a dictionary.
That way, mis-spelling the dict key doesnt lead to accessing something
didnt mean to.