Bug#702819: ITP: liblexical-underscore-perl -- access your caller's lexical underscore
Owner: Jonas Smedegaard <email@example.com>
* Package name : liblexical-underscore-perl
Version : 0.001
Upstream Author : Toby Inkster <firstname.lastname@example.org>
* URL : http://search.cpan.org/dist/lexical-underscore/
* License : Artistic or GPL-1+
Programming Lang: Perl
Description : access your caller's lexical underscore
Starting with Perl 5.10, it is possible to create a lexical version of
the Perl default variable $_. Certain Perl constructs like the "given"
keyword automatically use a lexical $_ rather than the global $_.
It is occasionallly useful for a sub to be able to access its caller's
$_ variable regardless of whether it was lexical or not. The "(_)" sub
prototype is the official way to do so, however there are sometimes
disadvantages to this; in particular it can only appear as the final
required argument in a prototype, and there is no way of the sub
differentiating between an explicitly passed argument and $_.
lexical::underscore allows you to access your caller's lexical $_
variable as easily as: