{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":".zip(self.substs.types_and_consts.iter().map(Some).chain(std::iter::repeat(None)))"}]}
            .zip(self.substs.types_and_consts.iter().map(Some).chain(std::iter::repeat(None)))
            // the resulting change can be applied correctly.
            .for_each(|(k, v)| match (k.split(db), v) {