Re: Unique constraints

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On Fri, 4 Mar 2005 16:08:20 +0000, Tony Bowden <tony-cdbitalk@xxxxx.xxx> wrote:
> On Fri, Mar 04, 2005 at 07:49:04AM -0500, Cees Hek wrote:
> > Will search not return an iterator in this case and hence always be
> > true?  shouldn't that be:
> >   return not $self->search(foo => $value)->first;
> 
> An iterator in numeric context overloads to the count, so this should be
> OK.

Interesting.  Is that documented anywhere?

> Your way could fall down if the first thing back stringified to a false
> value.

Good point, so how about this for clarity:

   return not $self->search(foo => $value)->count;

Thanks for clarifying that.

        -- 
        Cees Hek