ssrt_ex_017.rs

fn main() {
  let x = String::from("What is love?");
  let y = String::from("Baby don't hurt me,");
  let ref_y = print_first_return_second(&x, &y);
  print!("{}", y);
  print!("{}", ref_y);
  println!(" no more!");
}

fn print_first_return_second<'a, 'b>(print_me: &'a str, return_me: &'b str) -> &'a str {
  println!("{}", print_me);
  &return_me[4..] // ERROR: we said that the returned reference would be to print_me, but this isn't print_me!
}