mod day1;
mod day2;

fn main() {
    let day = std::env::args().skip(1).next();

    let result = match day.as_ref().map(|v| v.as_ref()) {
        Some("1a") => day1::part1(),
        Some("1b") => day1::part2(),
        Some("2a") => day2::part1(),
        Some("2b") => day2::part2(),
        _ => panic!("unrecognized day"),
    };

    println!("[{}] {}", day.unwrap(), result);
}