On Thu, 2006-09-21 at 08:08 -0400, Bill Ricker wrote:
> > > Note : This 0..$#array would have been INefficient for big array back
> > > before for(0..$N) was optimized with a lazy list.
>
> > When exactly did that happen?
>
> Long enough ago that if you find a Perl on which
> perl -le " foreach (0..100_000_000) { print } " | more
> has a seg or heap fault immediately, you've got a disturbingly old Perl.
I just checked some old sources -- the optimization first appeared in
5.005.
-- Jeremy
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