{"ast_node_type":"function","tokens":[{"end":77,"kind":"keyword","start":0,"text":"r#\"fn"}]}
            r#"fn main() { let (krate,_crate$0_def_map,module_id) = var; }"#,
        do_check(
            &["_crate_def_map", "_crate_def_map,", "(krate,_crate_def_map,module_id)"],