[Haskell-cafe] Re: stateful walk through a tree?

David Tolpin david.tolpin at gmail.com
Mon Feb 19 15:15:38 EST 2007


>> I am looking for help in design of a stateful tree walker.
> I think that you can use Data.Traversable to great effect.

thanks, the advice has helped. I can't use it directly since i didn't yet come up with a consistent solution to serialization of events, but I am going to compile the second pass into combined actions.

> Well, Haskell doesn't have mutable variables as LISP or ML do.

I meant STM, sorry for being unclear.


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