PROOF.off.len_zeros: def of bend-osdev-bytes@0.1.1.0
Import: import bend-osdev-bytes@0.1.1.0/PROOF.bend as PROOF
Lines 927-932 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=927&end_line=932

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

def off.len_zeros(+n: Nat) -> {List.length(&2, B.OctByte, B.w8s.zeros(n)) == n : Nat}:
  match n:
    case 0n:
      {==}
    case 1n+p:
      Equal.cong(Nat, Nat, k => 1n+k, List.length(&2, B.OctByte, B.w8s.zeros(p)), p, off.len_zeros(p))

Uses (5):
  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.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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=w8s.zeros