Front page | perl.perl5.porters |
Postings from July 2013
On 27 June 2013 03:59, Ricardo Signes <perl.p5p@rjbs.manxome.org> wrote:
>
> Perl 5's references are fine, but sometimes dereferencing them is not. We end
> up switching between postfix and circumfix syntax to dereference structures.
>
> push @{ $x->{foo}->[0]->m }, $y;
>
> Blech.
>
> In 5.14, an experimental feature was added to avoid this in some contexts:
>
> push $x->{foo}->[0]->m , $y;
>
> In other contexts, it (obviously) can't help:
>
> push @y, @{ $x->{foo}->[0]->m };
>
> subroutine( @{ $x->{foo}->[0]->m } )
I'm not convinced this is a problem we should solve (on the other hand
I'm not convinced it is not.)
I would consider this code bug-prone and probably in maintenance mode
rewrite it as:
my $array= $x->{foo}->[0]->m;
push @y, @$array if $array;
Raphael raises similar points.
Yves
--
perl -Mre=debug -e "/just|another|perl|hacker/"
Thread Previous
|
Thread Next