You might be able to do something like this with Tie::RefHash (which has been core for a while now, IMSMR). Keep in mind that uses tie to do its magic so there'll be extra overhead.

In reply to Re: HoHoA with anonymous array refs as the key to access the A by Fletch
in thread HoHoA with anonymous array refs as the key to access the A by Grygonos

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