PROOF.p_append_empty_r: def of bend-osdev-bytes@0.1.1.0
Import: import bend-osdev-bytes@0.1.1.0/PROOF.bend as PROOF
Lines 1324-1328 of bend-osdev-bytes@0.1.1.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&start_line=1324&end_line=1328

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

def p_append_empty_r(+o: B.Octets) -> {B.Octets.append(o, B.Octets.empty()) == o : B.Octets}:
  match o:
    case B.Octets{+ws}:
      %F_app(ws, Nil{}) : {B.Octets{_} == B.Octets{ws} : B.Octets}
      Equal.cong(List<&2, B.OctByte>, B.Octets, l => B.Octets{l}, List.append(&2, B.OctByte, ws, Nil{}), ws, app_nil8(ws))

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=F_app
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=app_nil8
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=OctByte
  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.empty