def len_view.go

lawful-bytes@0.1.1.0 · PROOF.bend:276

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

276def len_view.go(-b: D.Bytes, m_b: C.BMirror(b)) ->
277  {U32.to_nat(Pair.snd(D.Bytes, U32, B.len(b))) == D.size(b) : Nat}:
278  (+l_b, m2_b) = m_b
279  (+t_b, +e_b) = m2_b
280  %e_b : {U32.to_nat(Pair.snd(D.Bytes, U32, B.len(_))) == D.size(_) : Nat}
281  {==}