{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"impl<T:"}]}
impl<T: Unsize<U> + ?Sized, U: ?Sized> DispatchFromDyn<Ptr<U>> for Ptr<T> {}
impl<T: Unsize<U> + ?Sized, U: ?Sized> CoerceUnsized<Ptr<U>> for Ptr<T> {}