[perl #105850] $_ does not work as expected within "given" block

On Sat Dec 10 09:55:36 2011, fany@cpan.org wrote:
> 
> This is a bug report for perl from fany@cpan.org,
> generated with the help of perlbug 1.39 running under perl 5.14.2.
> 
> 
> -----------------------------------------------------------------
> [Please describe your issue here]
> 
> 
> When I use a function which expects a codeblock as first
> argument, like List::Util::first(), within a "given" block,
> then $_ within that codeblock does not work properly, but
> keeps the value of the $_ from the "given" block.
> 
> Or, in other words, the test script below will output the
> following:
> 
> 	1 - 2 - 3 - grep OK!
> 	1 - first OK!
> 	1 - fpp OK!
> 	1 - 2 - 3 - grep within given OK!
> 	0 - 0 - 0 -
> 	0 - 0 - 0 -
> 
> Kind regards,
> fany

This is a known issue, #67694.  given does an implicit ‘my $_’.  See
also ticket #90018 and ticket #53186 (marked as resolved, even though it
isn’t).

RJBS: Would you be adverse to changing ‘given’ to alias $_ properly, or
is it too close to 5.16 at this stage?

-- 

Father Chrysostomos

• [perl #105850] $_ does not work as expected within "given" block by fany @ cpan . org
• [perl #105850] $_ does not work as expected within "given" block by Father Chrysostomos via RT
• Re: [perl #105850] $_ does not work as expected within "given" block by Ricardo Signes
• Re: [perl #105850] $_ does not work as expected within "given" block by Leon Timmermans
• Re: [perl #105850] $_ does not work as expected within "given" block by David Golden
• Re: [perl #105850] $_ does not work as expected within "given" block by Jesse Luehrs
• Re: [perl #105850] $_ does not work as expected within "given" block by Tom Christiansen
• Re: [perl #105850] $_ does not work as expected within "given" block by Leon Timmermans