def head.id
import bend-kit-dns@0.7.0.0/dns.bend as Dnsimport Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
322def head.id(+id: U32, r: Bytes.Cursor & Maybe<&2, U32>) -> Maybe<&2, String>:
323 (c, m) = r
324 match m:
325 case None{}:
326 None{}
327 case Some{got}:
328 head.id.if(U32.is_eq(id, got), c)