[html-formfu] [patch] Change eval tests to use ref for big speed up in _Group.pm

[Steve Nolte]

> 2009/12/2 Steve Nolte <steve at redanvil.net>:
> > I noticed a big slow down when dealing with group-type fields that
> have a lot of options.  Tracked it down to the H::FF::E::_Group
> _parse_option() which was using eval's for testing if the item was a
> hash or array reference.  Switched it to just test with ref() and got a
> major speed up, about 1.5 to 2 seconds for some forms.
> 
> Hi Steve,
> 
> I've gone through the entire HTML-FormFu source, changing all similar
> uses of eval().
> I went with Ronald's sugestion of Scalar::Util::reftype() - but thanks
> for the initial patch!
> 
> Cheers,
> Carl

That's fantastic, thanks Carl!  Great timing, I was just about to suggest
doing that same thing. This should really speed up larger forms with lots
of options.

-Steve