{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"(Ok(u),"}]}
            (Ok(u), false) => extend_unit(&mut buf, u),
        unescape_c_str(text, |char_range, unescaped| match (unescaped, buf.capacity() == 0) {
            (Ok(_), true) if char_range.len() == 1 && char_range.start == prev_end => {