use std::rc::Rc;

struct S {
    v1: i32,
    v2: i32,
}

fn b(v1: Rc<S>, v2: Rc<S>) -> Rc<S> {
    println!("Here we go: {} {} {} {}", v1.v1, v1.v2, v2.v1, v2.v2);
    v1.clone()
}

fn a (v: Rc<S>) -> Rc<S> {
    let private_v = Rc::new(S{v1: 1, v2: 3});

    println!("I got {} {} and I have {} {} local", v.v1, v.v2, private_v.v1, private_v.v2);

    b(v.clone(), private_v.clone())
}

fn main() {
    let my_v = Rc::new(S{v1: 2, v2: 4});
    let v1 = a(my_v.clone());

    println!("{} {} {} {}", my_v.v1, my_v.v2, v1.v1, v1.v2)
}