Re: [Haskell-cafe] Looking for practical examples of Zippers

2009-04-01 Thread Claus Reinke
my quest for data structures continues. Lately I came across Zippers. Can anybody point be to some useful examples? Once upon a time, there was a hardware implementation of a lambda calculus based functional language (mostly, I was told, to show that it could be done:-). The program

Re: [Haskell-cafe] Looking for practical examples of Zippers

2009-03-31 Thread ajb
G'day all. Quoting Gü?nther Schmidt gue.schm...@web.de: my quest for data structures continues. Lately I came across Zippers. Can anybody point be to some useful examples? This is a good example, currently in use in GHC: http://www.cs.tufts.edu/~nr/pubs/zipcfg-abstract.html Cheers,

[Haskell-cafe] Looking for practical examples of Zippers

2009-03-30 Thread Gü?nther Schmidt
Hi, my quest for data structures continues. Lately I came across Zippers. Can anybody point be to some useful examples? Günther ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Looking for practical examples of Zippers

2009-03-30 Thread 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

Re: [Haskell-cafe] Looking for practical examples of Zippers

2009-03-30 Thread Henk-Jan van Tuyl
On Mon, 30 Mar 2009 21:21:14 +0200, Gü?nther Schmidt gue.schm...@web.de wrote: Hi, my quest for data structures continues. Lately I came across Zippers. Can anybody point be to some useful examples? Günther Searching for Haskell ziper leads to the following pages: