This is a tiny little script sitting on a web server taking orders for a grand total of 5 items. A database would be massive overkill.

And in any case, I'm more intrested in a theoretical solution to mixing string and numeric contexts in hash keys.

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I wanted to explore how Perl's closures can be manipulated, and ended up creating an object system by accident.
-- Schemer

Note: All code is untested, unless otherwise stated