1  #![feature(test)]
 2  
 3  type Input = Vec<(u8, u8, u8, u8)>;
 4  
 5  fn setup(input: &str) -> Input {
 6      input
 7          .lines()
 8          .map(|line| {
 9              let mut it = line.split(&[',', '-']).map(|x| x.parse().unwrap());
10              (|| Some((it.next()?, it.next()?, it.next()?, it.next()?)))().unwrap()
11          })
12          .collect()
13  }
14  
15  fn part1(input: &Input) -> usize {
16      input
17          .iter()
18          .filter(|(a, b, c, d)| a <= c && d <= b || c <= a && b <= d)
19          .count()
20  }
21  
22  fn part2(input: &Input) -> usize {
23      input.iter().filter(|(a, b, c, d)| d >= a && c <= b).count()
24  }
25  
26  aoc::main!(2022, 4, ex: 1);