#4159: move Monad and MonadFix instances for Either from mtl to base

[Felipe Lessa]

On Wed, Jun 30, 2010 at 5:05 PM, Edward Kmett <ekmett at gmail.com> wrote:
> I'd welcome the re-opening of both issues: fail and instance Functor m =>
> Monad m, but those discussions are better reserved for Haskell 201x, since
> changing it impacts support for Haskell 98.

Backwards compatibility aside, these proposals will certainly be very
welcome.  Some day we'll all have to bite the bullet anyway.

Cheers!

-- 
Felipe.