I am a computer science tutor, I teach (among others) Functional Programming in Haskell, Prolog and Advanced Algorithms.
I have done many projects like this, and I'm one of the top Haskell developers, and Więcej
Hello. I have worked for a few months on a commercial Haskell project. And I also did a similar project here on freelancer.com about a week ago. :) Converting code to use GADTs shouldn't be too difficult if there's notWięcej