{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"ast::FieldList::RecordFieldList(it)"}]}
            ast::FieldList::RecordFieldList(it) => it.fields().next().is_some(),
        .map(|it| match it {
            ast::FieldList::TupleFieldList(it) => it.fields().next().is_some(),