PROOF.w2le_len: def of bend-osdev-hashes@0.1.0.0
Import: import bend-osdev-hashes@0.1.0.0/PROOF.bend as PROOF
Lines 48-52 of bend-osdev-hashes@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-hashes@0.1.0.0/PROOF.bend&start_line=48&end_line=52

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-hashes@0.1.0.0/hashes.bend as Hs

def w2le_len(x: Hs.HsW2) -> {B.Octets.len(Hs.HsW2.le(x)) == 8n : Nat}:
  match x:
    case Hs.HsW2{+a0, +a1}:
      %Equal.sym(Nat, B.Octets.len(B.Octets.of_list(B.append(B.le32(a0), B.le32(a1)))), B.len(B.append(B.le32(a0), B.le32(a1))), octets_len_of(B.append(B.le32(a0), B.le32(a1)))) : {_ == 8n : Nat}
      w2le_len_list(a0, a1)

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  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=Octets.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.of_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=append
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=le32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/PROOF.bend&name=octets_len_of
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/PROOF.bend&name=w2le_len_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/hashes.bend&name=HsW2
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/hashes.bend&name=HsW2.le