{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":".for_each(|(k,"}]}
            .for_each(|(k, v)| match (k.split(db), v) {
            .zip(self.substs.types_and_consts.iter().map(Some).chain(std::iter::repeat(None)))
                (Either::Right(k), Some(TypeOrConst::Either(v))) => {