def capacity_view.go

lawful-bytes@0.1.1.0 · PROOF.bend:296

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
import lawful-bytes@0.1.1.0/proof_ops.bend as O

296def capacity_view.go(-b: D.Bytes, +d: Nat, h: {D.ok(b, d) == True{} : Bool}, m_b: C.BMirror(b)) ->
297  {U32.to_nat(Pair.snd(D.Bytes, U32, B.capacity(b))) == D.cap(b) : Nat}:
298  (+l_b, m2_b) = m_b
299  (+t_b, +e_b) = m2_b
300  %e_b : {U32.to_nat(Pair.snd(D.Bytes, U32, B.capacity(_))) == D.cap(_) : Nat}
301  +h_t = C.tr(x => {D.ok(x, d) == True{} : Bool}, b, l_b, t_b, e_b, h)
302  O.capacity_view_t(l_b, t_b, d, h_t)