def p_octets_of_to

bend-osdev-bytes@0.1.1.0 · PROOF.bend:355

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

355def p_octets_of_to(+o: B.Octets) -> {B.Octets.of_list(B.Octets.to_list(o)) == o : B.Octets}:
356  match o:
357    case B.Octets{+ws}:
358      %F_of(B.w8s.to_list.fast(ws)) : {B.Octets{_} == B.Octets{ws} : B.Octets}
359      %F_to(ws) : {B.Octets{B.w8s.of_list(_)} == B.Octets{ws} : B.Octets}
360      Equal.cong(List<&2, B.OctByte>, B.Octets, l => B.Octets{l}, B.w8s.of_list(B.w8s.to_list(ws)), ws, w8s_of_to(ws))