{"ast_node_type":"function","tokens":[{"end":58,"kind":"keyword","start":0,"text":"fn"}]}
    fn test_rename_accepts_lifetime_without_apostrophe() {
    #[test]
        check("foo", r#"fn main<'a>(_: &'a$0 ()) {}"#, r#"fn main<'foo>(_: &'foo ()) {}"#);