Though Haskell's Traversable is similar in name, then depending on what the developer intends, both Functor, Foldable or Monad could also help with the traversa

Though Haskell's Traversable is similar in name, then depending on what the developer intends, both Functor, Foldable or Monad could also help with the traversal. I.e, Haskell already has what the blog post asks for.