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Postings from February 2013
Eirik Berg Hanssen <Eirik-Berg.Hanssen@allverden.no>
wrote on Wed, 20 Feb 2013 17:11:49 +0100:
>On Wed, Feb 20, 2013 at 3:48 PM, Ruslan Zakirov <ruz@bestpractical.com>wrote:
>> Also, this whole thread misses the fact that $a and $b used in sort
>> fall into pretty much the same basket.
>>
> I don't think I've formulated this before, but ...
> When I see C<< my $a >> or C<< my $b >>, I see a bug waiting to happen,
> if not already happening.
> When I see C<< my $_ >>, I see a bug waiting to happen, or quite likely,
> already happening.
> So much code, core and user, is expecting these variables to be globals.
> Surprise that code at your own peril.
Well put!
Let us not forget that every given() does this, too, which is part of
why it is so often broken.
--tom
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