Correct, it is not a reference any more. Hash keys are strings, and the reference has been stringified to fit. That is 'planned', so to speak, by the key hashing algorithm.

That's not to say it is useless. References to distinct variables make fine keys, guaranteed to be unique.

After Compline,
Zaxo

In reply to Re: using references as keys in a hash. by Zaxo
in thread using references as keys in a hash. by habit_forming

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