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

Jean-Philippe Bernardy bernardy at chalmers.se
Tue Jun 3 03:51:27 EDT 2008

On Tue, Jun 3, 2008 at 12:05 AM, Neil Mitchell <ndmitchell at gmail.com> wrote:

> Talking to people on IRC today it appears there is a reasonably large
> design space for a zipper interface. If this is true, then putting a
> zipper in the containers package without some significant real-world
> experience is probably premature.

On the other hand, having something available in the containers package
for everyone to experiment with seems a good way to evolve towards a
better design.

I'd still vote for adding the module, and flag it with "experimental"
stability if
there are worries of instability.


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