PROOF.F_to: def of bend-osdev-bytes@0.1.1.0
Import: import bend-osdev-bytes@0.1.1.0/PROOF.bend as PROOF
Lines 276-281 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=276&end_line=281

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

def F_to(+ws: List<&2, B.OctByte>) -> {B.w8s.to_list(ws) == B.w8s.to_list.fast(ws) : List<&2, U32>}:
  Equal.sym(List<&2, U32>, B.w8s.to_list.fast(ws), B.w8s.to_list(ws),
    Equal.trans(List<&2, U32>, B.w8s.to_list.fast(ws), B.rev_onto(B.rev_onto(B.w8s.to_list(ws), Nil{}), Nil{}), B.w8s.to_list(ws),
      Equal.cong(List<&2, U32>, List<&2, U32>, l => B.rev_onto(l, Nil{}), B.w8s.to_list.go(ws, Nil{}), B.rev_onto(B.w8s.to_list(ws), Nil{}), g_to(ws, Nil{})),
      Equal.trans(List<&2, U32>, B.rev_onto(B.rev_onto(B.w8s.to_list(ws), Nil{}), Nil{}), List.append(&2, U32, B.w8s.to_list(ws), Nil{}), B.w8s.to_list(ws),
        ru_rr(B.w8s.to_list(ws), Nil{}, Nil{}), app_nilu(B.w8s.to_list(ws)))))

Uses (14):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  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=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=app_nilu
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=g_to
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/PROOF.bend&name=ru_rr
  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=rev_onto
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=w8s.to_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=w8s.to_list.fast
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=w8s.to_list.go