PROOF.at_pair.go: def of lawful-bytes@0.1.1.0
Import: import lawful-bytes@0.1.1.0/PROOF.bend as PROOF
Lines 100-105 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=100&end_line=105

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 at_pair.go(-b: D.Bytes, +i: U32, m_b: C.BMirror(b)) ->
  {B.at(b, i) == (b, Pair.snd(D.Bytes, U32, B.at(b, i))) : D.Bytes & U32}:
  (+l_b, m2_b) = m_b
  (+t_b, +e_b) = m2_b
  %e_b : {B.at(_, i) == (_, Pair.snd(D.Bytes, U32, B.at(_, i))) : D.Bytes & U32}
  C.at_pair_t(l_b, t_b, i)

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  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=lawful-bytes@0.1.1.0/bytes.bend&name=at
  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/proof_core.bend&name=BMirror
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/proof_core.bend&name=at_pair_t