[Haskell-cafe] Looking for practical examples of Zippers

[Don Stewart]

xmonad's state is represented as a zipper on nested lists.

The wikipedia article on zippers lists this and other examples.    

gue.schmidt:
> Hi,
>
> my quest for data structures continues. Lately I came across "Zippers".
>
> Can anybody point be to some useful examples?
>
> Günther
>
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