struct St {
    data: [i32; 1024]
}

fn paddr<T>(prefix: &str, x: &T) {
    println!("{}: {:p}", prefix, x);
}

fn main() {
    let s = St { data: [0i32; 1024] };
    paddr("s", &s);
    let s2 = s;
    paddr("s2", &s2);
}