On Wed, 10 Jun 2009, michael rice wrote:
Here's a function from Data.Tree: unfoldTree :: (b -> (a, [b])) -> b -> Tree a Build a tree from a seed value Could someone please give me a brief example of usage.
unfoldTree (\n -> (chr (n + ord 'a'), replicate n (n-1))) 3 Or did you expect a "real world" example? :-) _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
