MaybeT to transformers

Benja Fallenstein benja.fallenstein at
Fri Feb 6 12:40:13 EST 2009

On Fri, Feb 6, 2009 at 5:56 PM, Sittampalam, Ganesh
<ganesh.sittampalam at> 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.

ErrorT has had the equivalent MonadPlus instance for a while, hasn't
it? Anybody run into problems with that?

All the best,
- Benja

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