LAWS.octets_take_append: law of bend-osdev-bytes@0.1.1.0
Import: import bend-osdev-bytes@0.1.1.0/LAWS.bend as LAWS
Lines 146-150 of bend-osdev-bytes@0.1.1.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-bytes@0.1.1.0/LAWS.bend&start_line=146&end_line=150

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B

# a joined string splits back exactly where it was joined
law octets_take_append:
  for +a: B.Octets
  for b: B.Octets
  {B.Octets.take(B.Octets.len(a), B.Octets.append(a, b)) == a : B.Octets}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=p_octets_take_append
  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.append
  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