Uses less space than a hash (I think)

Unless you're using e.g. phone-numbers as the index: see the sparse array point above. "Uses less space per value than an array" would be better but kind of obvious - Perl has to store the key as well.

In reply to Re^3: What defines the choice of a Hash or an Array? by Anonymous Monk
in thread What defines the choice of a Hash or an Array? by ghenry

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