[Haskell-cafe] Re: Tree Guidance

[Hans van Thiel]

On Fri, 2007-06-29 at 19:35 +0200, Thomas Schilling wrote:
> On 27 jun 2007, at 18.41, Hans van Thiel wrote:
> 
> > [snip]
> >
> > Thanks, Apfelmus, for the references. Guess I'll start there, then.  
> > And
> > thanks, Chris, for the info and code. Read only 'up pointers' could be
> > what is needed. But before going on, I want first to get more
> > confortable with programming with trees. It's all very well to say
> > they're easy to roll, but lists are even simpler, and look at them...
> 
> I guess it's in the papers, too, but the chapter on zippers in the  
> Wikibook is very nice, too:
> 
>    http://en.wikibooks.org/wiki/Haskell/Zippers
> 
> / Thomas
Yes, I've seen this. Thanks!
Regards,
Hans