It's hard to capture monad in a paragraph and a couple examples. The utility of chain/flatmap doesn't get too interesting until you apply it to the Option Type

It's hard to capture monad in a paragraph and a couple examples. The utility of chain/flatmap doesn't get too interesting until you apply it to the Option Type or Promises but I didn't want to require readers to come with knowledge of them. Maybe a promise-based example isn't asking too much though