Advent of Code, Rockstar edition

Background At Øredev I met my pal Fredrik , who told me about this presentation he had just been to. It was about a fun programming language called Rockstar , which lets you write 80's rock ballad lyrics that compile. Fun! One faithful evening a few weeks later, after the rest of the family had gone to bed, I decided to have a couple of beers and give it a try. The code Since we're approaching…