RE: Exporting class methods

"Simon Marlow" <[email protected]> Tue, 19 Apr 2005 12:27:15 +0100

Newsgroups	gmane.comp.lang.haskell.nhc.bugs
Message-ID	<3429668D0E777A499EE74A7952C382D1037DC27F@EUR-MSG-01.europe.corp.microsoft.com>

On 19 April 2005 12:15, Malcolm Wallace wrote:

>>>> Control.Monad.Reader (Reader, runReader, ask, local)
>>>> Control.Monad.Error (instance MonadPlus IO)
>>=20
>> These have H98 implementations, as far as I'm aware.
>=20
> The mtl package requires multi-param classes and functional
> dependencies.  Where are the H'98 versions?

oops, you're right.  But instance MonadPlus IO is ok.

Cheers,
	Simon