I understand monads and use them everyday, Same thing here and I am not writing a tutorial, because good tutorials already exist. For example: http://blog.sig

I understand monads and use them everyday, Same thing here and I am not writing a tutorial, because good tutorials already exist. For example: http://blog.sigfpe.com/2006/08/you-could-have-invented-monads-and.html http://blog.sigfpe.com/2006/08/you-could-have-invented-monad... http://www.manning.com/bjarnason/ http://www.manning.com/bjarnason/ In fact, the latter book lets you write your own functors and monads without even telling you, and then shows you that you actually already understand these concepts.