AdventOfCode-2023-functional

Solutions to https://adventofcode.com/2023/

This is my first experience with Lisp, so the code is probably terrible.

Requirements: Guile 3 in /usr/bin.

In a folder for a specific day,

• To run (assuming NuShell): open sample.in | ./main.scm;
• To run (assuming bash): ./main.scm < sample.in.