Front page | perl.perl5.porters |
Postings from June 2003
On Tue, May 13, 2003 at 11:56:50PM +0200, Rafael Garcia-Suarez wrote:
> $; is the subscript separator for multidimensional array emulation
> (as says perlvar). Basically it works like this :
>
> $ perl -MO=Deparse -e '$x{1,2}'
> $x{join $;, 1, 2};
>
> In our Unicode and UTF8 world, it's becoming more and more unsafe to use
> that kind of hack, esp. when better alternative solutions are available.
>
> I therefore suggest to add to 5.9 a deprecation warning
>
> "Use of multidimensional array emulation is deprecated"
>
> for any use of the implicit join($;,...).
Please don't. Regexp::Common heavily relies on multidimensional
hash emulation. It allows you to write stuff like:
/$RE{num}{int}{-group => 4}/
Having to write that as:
/$RE{num}{int}{join $;, -group => 4}/
takes away much of the charm of the module, making it much harder
to read what's going on.
Abigail
Thread Previous
|
Thread Next