InfiniteSilence,
A quick search turned up Hash::NoVivify, which only works by exporting functions Exists and Defined as alternatives to exists and defined, but that looks like what you want anyway

Cheers - L~R

Update: Italic verbiage thanks to Abigail's comment.

In reply to Re: Autovivify Module? by Limbic~Region
in thread Autovivify Module? by InfiniteSilence

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