struct Handler<'a> {
    neovim: &'a mut Neovim
}

struct Session {
    handler: Option<Handler>
}

struct Neovim {
    session: Session
}


fn main() {
    let session = Session {handler: None};
    let neovim = Neovim {session: session};
    let handler = Handler {neovim: &mut neovim};

    // So far so good..


    // uh oh borrow while a mutable borrow on line 17 is out..
    neovim.session.start_event_loop(handler);

    // Maybe we could try this..

    /*
        struct Handler {
            neovim: RefCell<Neovim>
        }

        ...

        // Does not work
        let neovim = RefCell::New(Neovim {session: session});
        let handler = Handler {neovim}
        neovim.session.start_event_loop(handler);

        // Also Does not work
        let neovim = RefCell::New(Neovim {session: session});
        let handler = Handler {neovim.borrow()}
        neovim.session.start_event_loop(handler);

        // Also Does not work
        let neovim = RefCell::New(Neovim {session: session});
        let handler = Handler {neovim.borrow_mut()}
        neovim.session.start_event_loop(handler);

        // Also Does not work
        let neovim = Arc::new(Mutex::new(RefCell::New(Neovim {session: session})));
        let handler = Handler {neovim}
        neovim.session.start_event_loop(handler);
    */
}