Interesting. In that case, state f = StateT $ \s -> Identity (f s)
allows "state" to replace "State" in that code. On Wed, Dec 22, 2010 at 4:56 AM, Daniel Fischer <daniel.is.fisc...@googlemail.com> wrote: > On Wednesday 22 December 2010 12:03:01, Ryan Ingram wrote: >> Huh, that's weird, I just copy and pasted this into a new file and it >> worked for me. > > As a guess, you have mtl-1.*? > In mtl-2.*, State s is made a type synonym for StateT s Identity, so > there's no longer a data constructor State. > _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
