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Thanks for this. In my admittedly limited experience to date, I'd only ever thought of autovivification as a Bad Thing™. Something to be avoided at all costs. How refreshing, in the meantime, to have come across such wonderful and creative counterexamples in nodes such as yours, as well as tlm's "BUG" and injunjoel's The Uniqueness of hashes. :-)

planetscape

In reply to Re: Autovivification trick by planetscape
in thread Autovivification trick by blazar

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