Let’s start with a beautiful quote, which also can act as a great summary of …

Like a lot of people at Small Improvements I’m fascinated by functional programming. For a while I’ve been thinking about cleaning up a little in our codebase, mainly the backend which is written in Java. I have known for ages that Haskell is really good with abstract syntax trees (ASTs) and was playing with the thought of creating a Haskell tool that would help me with this.