Piers Cawley wrote:
>
> Jonathan Scott Duff <[EMAIL PROTECTED]> writes:
>
> > On Wed, Apr 03, 2002 at 11:27:10AM -0800, Larry Wall wrote:
> >> They are assumed to be declared in alphabetical order. Whoa! you say,
> >> that could get confusing. It surely can. But if you're doing
> >> something complicated enough that alphabetical order would be
> >> confusing, don't use this shorthand.
> >
> > Alphabetically or asciibetically?
ASCIIbetically.
> I mean, are these functionally equivalent?
> >
> > { $^a - $^A }
> > { $^b - $^a }
Yes.
> I'm assuming it can't be strictly asciibetical, given that $^2 sorts
> before $^10.
Sure it can. Just don't do that.
BTW, $^<number> is no longer an ordinal placeholder. If you want ordinals,
the recommended idiom is:
{ $^arg00 + $^arg10 - $^arg05 }
> What's happened with C<{ $^_ - $^_ }>? Are those two the same
> parameter now? Or two different 'anonymous' parameters?
The same. Larry removed all of my special cases from the RFC.
(And was right to do so.)
Damian
