neilnjae, #AdventOfCode day 19 done in #Haskell
Using the type system keeps me on track, and lenses and monoids keep things simple.
Full writeup: https://work.njae.me.uk/2023/12/24/advent-of-code-2023-day-19/
Code: https://gitlab.com/NeilNjae/advent-of-code-23/-/blob/main/advent19/Main.hs