Re: [Haskell-cafe] Partial instance of a class

On Tue, Feb 27, 2018 at 11:38:21AM +0100, Jeroen Bransen wrote:

In my concrete case I think a profunctor is indeed the thing I was looking for

If you're willing to share your datatype I may be able to help determine exactly what sort of thing it is. I have extensively explored the place of profunctors :)