Advent of Code 2023

These are my advent of code solutions for 2023, using Rust (and Neovim).

It is surprisingly challenging to figure out what's the best architecture for AOC in Rust. I tried once to just have every day as a module, but that was annoying and full of boilerplate, that I couldn't easily get rid of. Also, it's sort of wrong because each day is a different thing with no relation to the previous one.

So, what I'm actually doing is each day as a crate. All these crates are part of a workspace. To this end, I've also created a small framework called christmas_tree that handles most of the boilerplate. Of course, it fetches data using a session token in .env and caches it.

I think this is as minimal as it gets:

christmas_tree::day!(5);

fn part1(input: &str) -> i32 {
    todo!()
}

fn part2(input: &str) -> i32 {
    todo!()
}

christmas_tree::examples! {
    r"
        This is an example
    " => 8,

    r"
        This is an example for day 2
        you can indent in because it uses `indoc!` under the hood
    " => 13,
}

Also you can run christmas_tree as a binary to get a cli interface that can create the day crates. If you don't specify a day for the argument then it creates the one for the day you're on (if it's the advent calendar season).

Run christmas_tree --help to get more info.

odilf/advent-of-code-2023

Advent of Code 2023