Have you seen this? http://uebb.cs.tu-berlin.de/~magr/pub/Transformers.en.html http://uebb.cs.tu-berlin.de/~magr/pub/Transformers.en.html It's the best intro t

Have you seen this? http://uebb.cs.tu-berlin.de/~magr/pub/Transformers.en.html http://uebb.cs.tu-berlin.de/~magr/pub/Transformers.en.html It's the best intro to monad transformers I've come across.