[Haskell-cafe] Re: Kleisli composition operator

Roly Perera roly.perera at dynamicaspects.org
Sun Aug 3 11:31:38 EDT 2008

Daniel Fischer <daniel.is.fischer <at> web.de> writes:

> Which implementation are you using?
> IIRC, GHC didn't have it in Control.Monad before the 6.8 branch.

Duncan Coutts <duncan.coutts at worc.ox.ac.uk> writes:

> It's not in the Prelude but it is in Control.Monad in base version 3
> and later. You're probably using an older GHC which has base version
> 2.x.

Thanks for the quick responses.  Looks like I need to install a version later
than 6.8.


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