On Tue, Aug 08, 2006 at 02:30:39PM +0200, Marc Weber wrote: > Is there a better way to do this?
In this case it is quite easy to separate the task into two smaller ones: - creating the tree with a desired shape - numbering the nodes in post-order The first task is naturally expressed without monads. Best regards Tomasz _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe