struct Test {
    x : i32,
}

impl Test {
    fn new() -> Box<Self> {
        let t = Test {x : 100};
        let bt = Box::new(t);
        println!("Address of t when creating it: {:p}", &*bt);
        bt
    }

    fn print_addr(&self) {
        println!("My address: {:p}", self as *const Test);
    }
}

fn main() {
    let test = Test::new();
    test.print_addr();
    let test2 = test;
    test2.print_addr();
}