Re: [Haskell-cafe] type checking that I can't figure out ....

On Wed, Jun 3, 2009 at 8:52 PM, Daniel Peebles wrote:

It seems like if we could get fail out of Monad and into something like MonadFail/Zero, then it might make sense to make a lookup that returned an instance of that instead?

Dan

Do you mean splitting up MonadPlus/Alternative into two classes? Or we could just return in MonadPlus/Alternative. Antoine