longer2.rs

fn longer<'a>(s0: &'a str, s1: &'a str) -> &'a str {
  if s0.len() > s1.len() {
    s0
  } else {
    s1
  }
}

fn main() {
  let s0 = "Hi";
  let s1 = "Low";
  println!(
    "longer: {}",
    longer(s0, s1)
  )
}