Re: [CDBI] cdbi objects evaluating as false
Matt S Trout <dbix-class-uY5y5/[email protected]>
| Newsgroups | gmane.comp.lang.perl.modules.class-dbi |
|---|---|
| Message-ID | <[email protected]> |
On 25 Nov 2006, at 17:20, Aaron Trevena wrote:
> Hi all,
>
> I'm finding that when I do :
>
> while (my $object = $iterator->next) {
> ..
> }
>
> .. the loop never happens because 'my $object = $iterator->next' seems
> to be false.
>
> instead I have to do :
>
> my $object = $iterator->next();
> while (defined $object && $object->pk) {
> . . .
> $object = $iterator->next();
> }
What's wrong with
while (defined (my $object = $iterator->next)) {
...
}
?
In general you want to do that anyway with stuff that might stringify
just in case the stringification turns out to be an expensive
operation or whatever ...
--
Matt S Trout, Technical Director, Shadowcat Systems Ltd.
Offering custom development, consultancy and support contracts for
Catalyst,
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details.
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