left anf right view of a binary tree in haskell (popular interview question in amazon, facebook)

Popular interview question in microsoft, google, amazon, facebook Left view of a binary tree Right view of a binary tree 3:06 Left and right view of a binary tree implementation with all paths function 14:20 Left and right view of a binary tree implementation with zip function

Thx to participants here: https://stackoverflow.com/questions/70297970/elegant-way-to-mask-merge-two-strings-in-haskell ... https://www.youtube.com/watch?v=2n3IvwzLpUY