Fwd: [Haskell-cafe] Data.Tree.Zipper in the standard libraries

[Isaac Dupree]

Don Stewart wrote:
> I wonder if there's a good case already:
> 
>    The zipper module here has:
> 
>     * A solid theoretical foundation (its a straightforward derivative
>       of a data type)

and seems to go along with that data type, in the places it's used?  is 
that right?

>     * Sensible API derived from Huet's papers, then implemented and used
>       for Yi, one of the larger Haskell projects

interesting,
so Yi would start using the version in `containers` if we put it there? 
  And so would Krasimir's projects?  If so, that sounds like a solid 
user-base...

hmm.

-Isaac