Re^3: Iterating over verbatim hash reference


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Re^3: Iterating over verbatim hash reference

by AnomalousMonk (Archbishop)

on Jan 21, 2010 at 19:11 UTC ( [id://818797]=note: print w/replies, xml )

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in reply to Re^2: Iterating over verbatim hash reference
in thread Iterating over verbatim hash reference

I have a slight preference for omitting variable names if I don't really need them.

If you are concerned about cluttering up a (possibly over-broad) scope with needless nonce variable names (not an entirely unreasonable concern, IMO), why not just enclose the sub-section of code in its own limited sub-scope?

>perl -wMstrict -le
"{ my %h = qw(a 1  b 2  c 3);
   while (my ($k, $v) = each %h) {
     print qq{$k -> $v};
     }
   }
"
c -> 3
a -> 1
b -> 2
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