PROOF.len_view.go: def of lawful-bytes@0.1.1.0
Import: import lawful-bytes@0.1.1.0/PROOF.bend as PROOF
Lines 276-281 of lawful-bytes@0.1.1.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=lawful-bytes@0.1.1.0/PROOF.bend&start_line=276&end_line=281

import Base
import lawful-bytes@0.1.1.0/defs.bend as D
import lawful-bytes@0.1.1.0/bytes.bend as B
import lawful-bytes@0.1.1.0/proof_core.bend as C

def len_view.go(-b: D.Bytes, m_b: C.BMirror(b)) ->
  {U32.to_nat(Pair.snd(D.Bytes, U32, B.len(b))) == D.size(b) : Nat}:
  (+l_b, m2_b) = m_b
  (+t_b, +e_b) = m2_b
  %e_b : {U32.to_nat(Pair.snd(D.Bytes, U32, B.len(_))) == D.size(_) : Nat}
  {==}

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair.snd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/bytes.bend&name=len
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/defs.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/defs.bend&name=size
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/proof_core.bend&name=BMirror