I've written code with monads plenty of times. I've even made my own. I'm still not sure I know what a monad is in the mathematical sense of the word. I don't h

I've written code with monads plenty of times. I've even made my own. I'm still not sure I know what a monad is in the mathematical sense of the word. I don't have any idea how it interacts with other mathematical constructs or fits into Category Theory. Using Monads in a programming context teaches you how to use monads in a programming context.