What is a #monad? Glad you asked. Here’s one person’s explanation. http://adit.io/posts/2013-04-17-functors,_applicatives,_and_monads_in_pictures.html A little easier to understand than “... a monad in X is just a monoid in the category of endofunctors of X ...” for those of us without sufficient category theory background. #monad #monoid #functor #endofunctor #Haskell https://blog.softwaremill.com/monoid-in-the-category-of-endofunctors-0b85bab43587b?gi=e53e076f4c9d