Dns.head.id: def of bend-kit-dns@0.7.1.0
Import: import bend-kit-dns@0.7.1.0/dns.bend as Dns
Lines 322-328 of bend-kit-dns@0.7.1.0/dns.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-dns@0.7.1.0/dns.bend&start_line=322&end_line=328

import Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes

def head.id(+id: U32, r: Bytes.Cursor & Maybe<&2, U32>) -> Maybe<&2, String>:
  (c, m) = r
  match m:
    case None{}:
      None{}
    case Some{got}:
      head.id.if(U32.is_eq(id, got), c)

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Cursor
  https://jend.leeeet.dev/definition.txt?path=bend-kit-dns@0.7.1.0/dns.bend&name=head.id.if