Aead.ad.split.pick: def of bend-osdev-aead@0.1.0.0
Import: import bend-osdev-aead@0.1.0.0/aead.bend as Aead
Lines 19-25 of bend-osdev-aead@0.1.0.0/aead.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-aead@0.1.0.0/aead.bend&start_line=19&end_line=25

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-crypto@0.1.0.0/crypto.bend as Cr

def ad.split.pick(short: Bool, +tlen: Nat, +o: B.Octets) -> Result<&2, &2, Cr.CrError, AdSplit>:
  match short:
    case True{}:
      Fail{Cr.CrTooShort{B.Octets.len(o)}}
    case False{}:
      +n = Nat.sub(B.Octets.len(o), tlen)
      Done{AdSplit{B.Octets.take(n, o), B.Octets.drop(n, o)}}

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-aead@0.1.0.0/aead.bend&name=AdSplit
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.drop
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.take
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/crypto.bend&name=CrError