12 Feb
2009
12 Feb
'09
9:17 a.m.
On Fri, 6 Feb 2009, Sittampalam, Ganesh wrote:
I tend to agree that this is the right one to use, but I think care should be taken when adding this to what is/is expected to be a widely used package, as it could make it difficult for people who want the alternate behaviour, and it might imply a degree of standardisation/ canonicity that is not really justified.
On the other hand, perhaps there are no real uses for the other one.
I guess the other one is simply liftM2 mplus on (m (Maybe a)) and thus there would not be much advantage of using (MaybeT m) instead of (m (Maybe a)).