Thanks for the links, btw, both here and in the post. Watching the video now. It's interesting because when I first started working in functional languages like

Thanks for the links, btw, both here and in the post. Watching the video now. It's interesting because when I first started working in functional languages like Clojure I struggled very much with how exactly one went about modelling an app, as opposed to the OO way. When I realised that the place to start was the service layer (and indeed individual use cases), things became much clearer.