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Re^2: Ouch! Each! Reentrant it is not

by Thilosophy (Curate)
on Jul 15, 2005 at 03:01 UTC ( #475112=note: print w/ replies, xml ) Need Help??


in reply to Re: Ouch! Each! Reentrant it is not
in thread Ouch! Each! Reentrant it is not

You can avoid the scalar op and a useless variable by just calling keys in scalar context

Taking it one step further, it seems you can also call it in void context (which is maybe more efficient):

if ($val == 2 ){ keys %hash; return "The key for 2 is $key\n"; }

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