Beefy Boxes and Bandwidth Generously Provided by pair Networks
Pathologically Eclectic Rubbish Lister

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"; }

Comment on Re^2: Ouch! Each! Reentrant it is not
Download Code

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://475112]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others romping around the Monastery: (8)
As of 2015-11-29 02:47 GMT
Find Nodes?
    Voting Booth?

    What would be the most significant thing to happen if a rope (or wire) tied the Earth and the Moon together?

    Results (746 votes), past polls