Hey, can anyone repeat this or explain what obvious mistake I made?
Thanks,
On Tue, Jun 26, 2007 at 11:51:07AM -0700, Bill Moseley wrote:
> I've got a plugin that returns an array ref. Not sure what was in my
> coffee this morning, but when I then try to unshift another element
> onto that array ref nothing happens.
>
> But if I copy the value return from the plugin and then unshift than
> then that works fine.
>
>
>
> $ cat arrayref.pl
>
> use strict;
> use warnings;
> use Template;
>
>
> Template->new->process( \*DATA ) or die;
>
> __END__
>
> In template
> [%
> USE Dumper;
> USE first = Arrayref;
>
> Dumper.dump( first );
>
> first.unshift( [ { foo => 'bar' } ] );
>
> "note no change\n";
> Dumper.dump( first );
>
> "no copy and change\n";
>
> x = first;
>
> x.unshift( [ { foo => 'bar' } ] );
>
> first = x;
>
> Dumper.dump( first );
> %]
>
>
> $ perl arrayref.pl
>
> In template
> $VAR1 = [ <<<< array ref returned from plugin
> [
> {
> 'one' => 1,
> 'two' => 2
> },
> {
> 'three' => 2,
> 'four' => 4
> }
> ],
> [
> {
> 'xone' => 1,
> 'xtwo' => 2
> },
> {
> 'xthree' => 2,
> 'xfour' => 4
> }
> ]
> ];
>
>
> note no change
> $VAR1 = [ <<<< first.unshift
> [
> {
> 'one' => 1,
> 'two' => 2
> },
> {
> 'three' => 2,
> 'four' => 4
> }
> ],
> [
> {
> 'xone' => 1,
> 'xtwo' => 2
> },
> {
> 'xthree' => 2,
> 'xfour' => 4
> }
> ]
> ];
>
> no copy and change <<<< copy and push
> $VAR1 = [
> [
> {
> 'foo' => 'bar' <<< works!
> }
> ],
> [
> {
> 'one' => 1,
> 'two' => 2
> },
> {
> 'three' => 2,
> 'four' => 4
> }
> ],
> [
> {
> 'xone' => 1,
> 'xtwo' => 2
> },
> {
> 'xthree' => 2,
> 'xfour' => 4
> }
> ]
> ];
>
>
>
>
> $ cat Template/Plugin/Arrayref.pm
> package Template::Plugin::Arrayref;
> use strict;
> use warnings;
> use Data::Dumper;
>
> use base 'Template::Plugin';
>
> sub new {
>
>
> return sub {
>
> return [
> [
> { one => 1, two => 2, },
> { three => 2, four => 4, },
> ],
> [
> { xone => 1, xtwo => 2, },
> { xthree => 2, xfour => 4, },
> ],
> ];
> }
> }
> 1;
>
>
>
> --
> Bill "warknocked" Moseley
> [EMAIL PROTECTED]
>
>
> _______________________________________________
> templates mailing list
> [email protected]
> http://lists.template-toolkit.org/mailman/listinfo/templates
>
--
Bill Moseley
[EMAIL PROTECTED]
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