{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"assert_eq!(\"F\","}]}
    assert_eq!("F", pred.ty().unwrap().syntax().text().to_string());
    assert_eq!("<'a>", pred.generic_param_list().unwrap().syntax().text().to_string());
    assert_bound("Fn(&'a str)", bounds.next());