Could also use this for
foreach $item $key ( %hash ) {
print "$item is indexed by $key\n";
}
"Christopher J. Madsen" wrote:
> I don't see why this should be an implicit counter. This (might)
> cause extra work for every foreach loop in every program (depending on
> how foreach is implemented).
>
> Why not use an explicit counter instead? Something like
>
> foreach $item $index (@array) {
> print $item, " is at index ", $index, "\n";
> }
>
> (This is a syntax error in Perl5.)
>
> This avoids problems with nested foreach loops, and makes it easy to
> do the extra work only for loops that actually want it. It also
> avoids adding one more hard-to-remember punctuation variable.
>
> Also, what happens if you're not iterating over a single array?
> (eg "foreach (@array, @more, qw(a b c))"). I vote for it being an
> index into the meta-array you get by combining all those lists.
>
> But, what happens when somebody does
>
> foreach $item $index (@array) {
> delete $array[$index] unless defined $item;
> }
>
> Does that work? Should it?
>
> --
> Chris Madsen http://www.trx.com [EMAIL PROTECTED]
> TRX Technology Services (214) 346-4611
--
Glenn
=====
There are two kinds of people, those
who finish what they start, and so
on... -- Robert Byrne
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