What does this Rust snippet output?

1fn main() {
2    let point = (3, 0);
3    match point {
4        (x, y) if x == y => println!("on diagonal"),
5        (x, 0) => println!("on x-axis at {}", x),
6        (0, y) => println!("on y-axis at {}", y),
7        _ => println!("elsewhere"),
8    }
9}