{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"std::iter::successors(match_arm.syntax().last_child_or_token(),"}]}
                std::iter::successors(match_arm.syntax().last_child_or_token(), |it| {
            let has_comma_after =
                    it.prev_sibling_or_token()