{"ast_node_type":"other","tokens":[{"end":116,"kind":"keyword","start":0,"text":"//"}]}
                // `&T`, `&mut T`, `Box<T>`, `Rc<T>`, `Arc<T>`, and `Pin<P>` where `P` is one of possible receivers,
                // In the layout of current possible receiver, which at the moment of writing this code is one of
                // the vtable is exactly in the `[ptr_size..2*ptr_size]` bytes. So we can use it without branching on