{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"//"}]}
            // (_, None) => Err(CastError::UnknownCastPtrKind),
            (Some(PointerKind::Error), _) | (_, Some(PointerKind::Error)) => Ok(()),
            // (None, _) => Err(CastError::UnknownExprPtrKind),