MaybeT to transformers

Brent Yorgey byorgey at
Thu Feb 5 17:05:22 EST 2009

On Tue, Feb 03, 2009 at 02:10:14PM +0100, Henning Thielemann wrote:
> What about adding the Maybe monad transformer as provided in MaybeT package 
> to the transformers package?
> The module name could be
>   Control.Monad.Trans.Maybe
>  which would also avoid conflicts with the MaybeT package.


I have been surprised on several occasions that MaybeT is not in the mtl.


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