[Haskell-cafe] type checking that I can't figure out ....
aslatter at gmail.com
Thu Jun 4 00:40:49 EDT 2009
On Wed, Jun 3, 2009 at 8:52 PM, Daniel Peebles <pumpkingod at gmail.com> 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?
Do you mean splitting up MonadPlus/Alternative into two classes? Or we
could just return in MonadPlus/Alternative.
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