Autoclone Reference to<T: Clone + X>

[kwek20]

Hey! In order to make the library easier to use, i was wondering if theres a way to add something like automatically cloning a reference for a T that is cloneable.
It already exists in a Vec(I think?), but i dont see it on any regular T, and flapigen currently returns
error: Do not know conversation from such rust type '& Tester' to Java type

(Not sure if this typemap is corrrect)

Example:

foreign_typemap!(
    ($p:r_type) <T: SwigForeignClass + Clone> &T => swig_i_type!(T) {
        $out = swig_from_rust_to_i_type(T, $p.clone(), ret);
    };
);

#[derive(Clone)]
pub struct Tester {

}

foreign_class!(
    #[derive(Clone)]
    class Tester {
        self_type Tester;
        private constructor = empty;
        fn Tester::test(&self) -> &Tester {
            let t = Tester { };
            &t
        }
    }
);

[Dushistov]

There is #169 almost about that.