{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"[p,"}]}
                [p, s, a @ ..] if p.starts_with("p") => {
                ["f128", a @ ..] => dl.f128_align = parse_align_seq(a, "f128")?,
                    let mut p = p.strip_prefix('p').unwrap();