On Mon, Feb 2, 2009 at 8:50 PM, Reid Barton <rwbar...@math.harvard.edu> wrote: > On Mon, Feb 02, 2009 at 06:03:15PM +0100, Josef Svenningsson wrote: >> Hi Tyson, >> >> I also needed something like this a while ago so I knocked up a really >> simple module and put it on hackage: >> http://hackage.haskell.org/cgi-bin/hackage-scripts/package/STMonadTrans > > Warning! The STMonadTrans package uses State# nonlinearly, and as a > result, can violate referential transparency: > Indeed, thanks for pointing this out. I really should have a warning sign on the package saying that it only works for certain monads.
Cheers, /Josef _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
