Hmm. Well, TMTOWTDI, but I really wouldn't use this if
my hash were even slightly large; why use a hash at all
if you're going to loop through each key every time you
need to do an insert? You'd be better off using a sorted
array that you could do a binary search on, or something
such.
This is particularly bad if the hash is multi-dimensional. If I
wanted to do the equivalent of
$hash{foo}{bar}{baz} = 2;
using your looping method, I'd have to loop over *three*
arrays (for the three different keys).
I'm not saying you're wrong--I'm just saying that the tie
method is, in most cases, a much better and more general
solution.
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