Function main

10_smart_pointers/rust/bintree.rs:37–54

()

}

fn main() {
    let root = Rc::new(RefCell::new(Node::new(0)));
    let node = Rc::new(RefCell::new(Node::new(1)));
    node.borrow_mut().parent = Some(Rc::downgrade(&root));

    let node2 = Rc::new(RefCell::new(Node::new(2)));

    root.borrow_mut().parent = Some(Rc::downgrade(&node2));
    root.borrow_mut().left = Some(node);

    println!("Root:   {:?}", *root.borrow());
    if let Some(left) = &root.borrow().left {
        &left.borrow().print_parent();
    };
    &root.borrow().print_parent();
    drop(node2);
    &root.borrow().print_parent();
}