In this short post I want to take a look at monads from a pragmatic perspective, i.e. why and how monads can be useful for developers. I won’t talk about any theory, but instead show code examples in Scala. I’ll even call things monad which don’t fully obey the monad laws as long as they are monadic enough to be useful (well known experts did that before, so I’m not afraid).
… Read the whole post on the codecentric blog.