struct D(u8);

impl Drop for D {
    fn drop(&mut self) {
        print!("{}", self.0);
    }
}

struct S {
    d: D,
    x: u8,
}

fn main() {
    let S { x, .. } = S {
        d: D(1),
        x: 2,
    };
    print!("{}", x);

    let S { ref x, .. } = S {
        d: D(3),
        x: 4,
    };
    print!("{}", x);
}