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

Ross Paterson ross at soi.city.ac.uk
Sun Jun 1 13:14:38 EDT 2008

On Sun, Jun 01, 2008 at 12:49:39PM -0400, Isaac Dupree wrote:
> 'containers', not 'base'.  But still, I think it should stay in a  
> separate package.  Someday Data.Tree may be removed from the more-used  
> containers too.  (do we know who does use Data.Tree, btw?)

Data.Graph for one.

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