*shrug* I did a search on CPAN for "order hash tie", and the InsertOrder module came up first. I've never found a use for keeping the insertion order on hashes, so I don't really have an opinion on either one.

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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