{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"cov_mark::check!(add_explicit_type_not_applicable_in_fn_param);"}]}
        cov_mark::check!(add_explicit_type_not_applicable_in_fn_param);
    fn add_explicit_type_not_applicable_fn_param() {
        check_assist_not_applicable(add_explicit_type, r#"fn f(x$0: ()) {}"#);