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

On Wed, Jun 30, 2010 at 5:05 PM, Edward Kmett 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.