[Haskell] A collection of related proposals regarding monads

[Simon Peyton-Jones]

| What do people think of the following proposal? Remove fail from the
| Monad class. Reinstate MonadZero as a separate class as in Haskell
| 1.4.

This was debated extensively during the Haskell 98 process.  I'm not
saying that we made the right decision then, but here's a link to (a
part of) the discussion. 
	
http://www.cs.chalmers.se/~rjmh/Haskell/Messages/Decision.cgi?id=2

 I'm hoping someone has an archive of the whole mailing list they can
let us have (see my other message)

Simon