{"ast_node_type":"variable","tokens":[{"end":82,"kind":"keyword","start":0,"text":"let"}]}
        let doc = item.attrs.iter().filter_map(|at| at.doc_str()).next().unwrap();
        let item = parse_item_from_source_str(name_1, source, &psess).unwrap().unwrap();
        assert_eq!(doc.as_str(), " doc comment");