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Re^2: Why is "for" much slower than "while"?

by Anonymous Monk
on Jan 17, 2010 at 01:52 UTC ( #817807=note: print w/replies, xml ) Need Help??


in reply to Re: Why is "for" much slower than "while"?
in thread Why is "for" much slower than "while"?

Try
whyfor2 => sub { seek( $IN1, 0, 0 ); my %counts = (); ++$counts{$_} for ( ; defined( $_ = <$IN1> ) ; ) ; die unless keys %counts == @list; },

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[perldigious]: Also coincidentally, I'm currently in the middle of a winter storm that has dropped 1 foot of snow and is expected to drop another. I might have to adapt this for customers/vendors who come visit and put it at the beggining of every presentation I give.
[Discipulus]: the photo was removed... Cyrano de Berjerac was not of the same idea..
[stevieb]: perldigious: video near our hq in Montreal. Here in Calgary, it's -28c... we've only got 3" of snow so far, but there are several feet in the mountains already
[perldigious]: Snowshoeing time stevieb? I need to buy a pair so I can walk my German Shepherd properly through the country.
[stevieb]: yeah, I snowshoe a fair amount in the mountains. I also use spikes similar to these very often as well
[perldigious]: Discipulus: alternate link

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