in reply to Re: Bit operation
in thread Bit operation

perl -e ' sub dom { $_[0]=2;} $x=1; dom($x); print $x,"\n";'

#prints
2

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Although it is not best practice to do so you can change parameters of subroutines

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Re^3: Bit operation
by raybies (Chaplain) on Jan 12, 2011 at 16:15 UTC
    Fine. I stand corrected... and I'm pretty sure the guy asking about how to use a bitwise or will find this practice very useful. Buwahahaha. :)
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