use std::io::Read; use common::Solution; #[derive(Default)] pub struct Day23 {} impl Day23 { pub fn new() -> Self { Default::default() } } impl Solution for Day23 { fn part1(&mut self, _input: &mut Read) -> String { unimplemented!() } fn part2(&mut self, _input: &mut Read) -> String { unimplemented!() } } #[cfg(test)] mod tests {}