fn main() {
    let pair = (0, -2);

    println!("Tell me about {:?}", pair);

    match pair {
        (0, y) => println!("First is `0` and `y` is `{:?}`", y),
        (x,0)=>println!("`x` is `{:?}` and last is `0`",x),
        _=>println!("It doesn't matter what they are")
    }
}
