Monads are one of those things that people love to talk about but which remain elusive and mysterious. If you’ve done any reading on functional programming, you will have come across the term.
Despite all the literature, the subject is often not well understood, partly because monads come from the abstract mathematics field of category theory and partly because, in programming languages, Haskell dominates the literature. Neither Haskell nor category theory are particularly relevant to the mainstream developer and both bring with them concepts and terminology that can be challenging to get your head around.
The good ...
