def len_pair.go

lawful-bytes@0.1.1.0 · PROOF.bend:286

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

286def len_pair.go(-b: D.Bytes, m_b: C.BMirror(b)) ->
287  {B.len(b) == (b, Pair.snd(D.Bytes, U32, B.len(b))) : D.Bytes & U32}:
288  (+l_b, m2_b) = m_b
289  (+t_b, +e_b) = m2_b
290  %e_b : {B.len(_) == (_, Pair.snd(D.Bytes, U32, B.len(_))) : D.Bytes & U32}
291  {==}