zipper -package:streams -package:elynx-tree is:exact

zipper :: Uniplate to => to -> Zipper to to
uniplate Data.Generics.Uniplate.Zipper
Create a zipper, focused on the top-left value.
zipper :: a -> Top :>> a
zippers Control.Zipper Control.Zipper.Internal
Construct a Zipper that can explore anything, and start it at the Top.
package zipper
Uses
Not on Stackage, so not searched. Generic zipper for families of recursive datatypes