PROOF.off.at_to: def of bend-osdev-bytes@0.1.1.0
Import: import bend-osdev-bytes@0.1.1.0/PROOF.bend as PROOF
Lines 976-985 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=976&end_line=985

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

def off.at_to(+i: Nat, ws: List<&2, B.OctByte>) -> {B.w8s.at(B.w8s.drop(i, ws)) == B.at(B.w8s.to_list(ws), i) : Maybe<&2, U32>}:
  match i ws:
    case 0n Nil{}:
      {==}
    case 1n+p Nil{}:
      {==}
    case 0n Con{B.OctByte{a0, a1, a2, a3, a4, a5, a6, a7}, t}:
      {==}
    case 1n+p Con{x, t}:
      off.at_to(p, t)

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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/bytes.bend&name=OctByte
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=at
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=w8s.at
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=w8s.drop
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=w8s.to_list