def to_list_view.go

lawful-bytes@0.1.1.0 · PROOF.bend:364

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_same.bend as S

364def to_list_view.go(-b: D.Bytes, +d: Nat, +s: U32, +n: U32, h: {D.ok(b, d) == True{} : Bool}, hs: {Nat.is_le(Nat.add(U32.to_nat(s), U32.to_nat(n)), D.size(b)) == True{} : Bool}, m_b: C.BMirror(b)) ->
365  {Pair.snd(D.Bytes, List<&2, U32>, B.to_list(b, s, n)) == D.slice(D.view(b), U32.to_nat(s), U32.to_nat(n)) : List<&2, U32>}:
366  (+l_b, m2_b) = m_b
367  (+t_b, +e_b) = m2_b
368  %e_b : {Pair.snd(D.Bytes, List<&2, U32>, B.to_list(_, s, n)) == D.slice(D.view(_), U32.to_nat(s), U32.to_nat(n)) : List<&2, U32>}
369  +h_t = C.tr(x => {D.ok(x, d) == True{} : Bool}, b, l_b, t_b, e_b, h)
370  +hs_t = C.tr(x => {Nat.is_le(Nat.add(U32.to_nat(s), U32.to_nat(n)), D.size(x)) == True{} : Bool}, b, l_b, t_b, e_b, hs)
371  S.to_list_view_t(l_b, t_b, d, s, n, h_t, hs_t)