Hi Graham, There is one implementation here:
http://code.haskell.org/yi/Data/Tree/ I wrote it for Yi but it is quite general. It is a pity that we don't have it in the standard libraries. It is not completely tested but it seems to work for me. Regards, Krasimir 2008/4/23 Graham Fawcett <[EMAIL PROTECTED]>: > Hi folks, > > Is there a common zipper implementation for the "Tree a" datatype, defined > in Data.Tree? The wiki gives examples for binary trees and B-trees, but not > for these. > > Thanks, > Graham > > > > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > > _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
