[Haskell-cafe] Name that function =)
Louis J Scoras
louis.j.scoras at gmail.com
Tue Dec 12 13:44:50 EST 2006
On 12/12/06, Cale Gibbard <cgibbard at gmail.com> wrote:
> It's pretty subtle, but the Haddock there does list an instance of
> MonadReader r ((->) r).
Yup, I see that one. What I meant was that in the Mondad package it
says that ((->) r) is an instance of Monad, but I can't find way to
get from there to Reader.
> In newer GHC's the instance is also found in Control.Monad.Instances.
> In my opinion, it belongs in the Prelude. :)
Hmm. Yeah, it seems like there aren't many monad instances imported
into prelude. Just , Maybe and IO. I'll have to keep that in mind.
Thanks for your help everybody.
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