tvl-depot/crack_the_coding_interview/to_tree.hs
William Carroll b4ee283b23 Add "Crack the Coding Interview" examples
I believe I have multiple other snippets and attempts scattered across /tmp,
~/programming, and other directories. Again, I created these files and others
before the mono-repo.
2020-01-15 14:23:37 +00:00

11 lines
235 B
Haskell

data Tree a = Node a [Tree a] deriving (Show)
withRoot :: [a] -> [Tree a]
withRoot xs = xs |> toThing |> fmap buildTree
buildTree :: (a, [a])
toTree :: [a] -> Tree a
toTree [x] = Node x []
toTree [x | xs] = Node x (toTree xs)