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List:       perl-beginners
Subject:    Re: postderef with subroutines
From:       Shawn H Corey <shawnhcorey () gmail ! com>
Date:       2017-05-11 11:52:14
Message-ID: 20170511075214.77e04ed0 () sage
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On Thu, 11 May 2017 13:10:03 +0200
Luca Ferrari <fluca1978@infinito.it> wrote:

> Hi all,
> according to the documentation the postderef for code blocks $ref->&*
> and $ref->() have different meanings
> <https://perldoc.perl.org/perlref.html#Postfix-Dereference-Syntax>
> 
> While I can use the following:
> 
> my $sub_ref = sub { say "Hello world: @_ !" };
> $sub_ref->( 'and the camels go' );
> &{ $sub_ref }( 'and the camels go' );
> $sub_ref->&* ;
> 
> is it possible to pass argument to the function via postderef?
> Something like the not working code:
> 
> $sub_ref->& ( 'and the camels go' );
> 
> Any idea?
> 

{
    local @_ = ( 'and the camels go' );
    $sub_ref->&*;
}


-- 
Don't stop where the ink does.

	Shawn H Corey

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