in reply to Unique strings

Am I colossally blind? I would think keys %{{@list}} suffices. I can't see any reason for the reverse @list part.. Update: oow, d'uh. dpuu++

Makeshifts last the longest.

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Re: Re: Unique strings
by dpuu (Chaplain) on Aug 20, 2002 at 19:20 UTC
    A hash needs both keys and values. the reverse ensures each element appears as a key, somewhere. Otherwise you lose half the elements. --Dave
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In Section Cool Uses for Perl