Hi, Are there people here who are interested in the techniques of unit testing, mocking, dependency injection? Reproducible, deterministic tests, even for fairly arbitrary and complex IO code? There is a recent project of mine that strives to do all of the above: https://github.com/Wizek/hs-di I'd be curious to hear what some of you may think about it. I'm also looking to find at least one other person who can get excited about the potential of these techniques; someone who could be interested in discussing certain details of this project and related questions.