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Re: Re: Re: Perl Idioms Explained - keys %{{map{$_=>1}@list}}by RMGir (Prior) |
on Aug 04, 2003 at 20:28 UTC ( #280791=note: print w/replies, xml ) | Need Help?? |
Adding
to test the undef suggestion, it turns out to be 15-20% faster than using 1.
grep still wins, though.
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