From: Phrogz <phrogz@...>
Date: 2010-07-17T03:50:04+09:00
Subject: Re: Ruby 1.9.1 Array#combination kinda lazy

On Jul 16, 10:40 am, Phrogz <phr...@mac.com> wrote:
> On Jul 16, 2:20 am, Ryan Davis <ryand-r...@zenspider.com> wrote:
>
> > On Jul 15, 2010, at 11:30 , Phrogz wrote:
> > > C:\>ruby -v tmp.rb
> > > ruby 1.9.1p243 (2009-07-16 revision 24175) [i386-mingw32]
> > > 129462338
> > > [5, 34, 54, 73, 81]
> > wfm:
> > # ~/.multiruby/install/1.9.1-p129/bin/ruby  wtf.rb
> > # 988455798
> > # [162, 163, 164, 165, 166]
>
> Just reproduced using 1.9.1p378 on Ubuntu. Looks to me like it's not a
> Windows bug, but something introduced sometime between p129 and p243.

Interestingly, replacing 166 with 141 produces a RangeError:
  in `combination': too big for combination

So this bug may be the same or related to http://redmine.ruby-lang.org/issues/show/3089,
which is marked as fixed in 1.9.2.

Will follow up with ruby-core.