[Haskell-cafe] Re: mapM as a Space Leak
ccshan at post.harvard.edu
Thu Mar 26 20:21:44 EDT 2009
Thomas Hartman <tphyahoo at gmail.com> wrote in article <910ddf450903261240p4e4fc8b3pa927fac1b80b2a22 at mail.gmail.com> in gmane.comp.lang.haskell.cafe:
> Well, that's reassuring.
> The reason I asked is that the testp function didn't just show poor
> performance. The state monad implementation actually gave a different
> answer -- nonterminating, where the pattern matching solution
Indeed, DIFFERENT Haskell programs can give different answers, even on
the SAME Haskell implementation. That should not be surprising at all.
Edit this signature at http://www.digitas.harvard.edu/cgi-bin/ken/sig
100 Days to close Guantanamo and end torture http://100dayscampaign.org/
More information about the Haskell-Cafe