Re: [Haskell-cafe] Building a tree?

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.

Data.Tree> let t = unfoldTree (\i -> (show i, [i`div`2..i-1])) Data.Tree> putStr . drawTree $ t 8 -- Live well, ~wren