def num_pair.go

lawful-fields@0.1.1.0 · PROOF.bend:81

import Base
import lawful-bytes@0.1.1.0/defs.bend as D
import lawful-fields@0.1.1.0/fields.bend as C
import lawful-bytes@0.1.1.0/proof_core.bend as BC
import lawful-fields@0.1.1.0/proof_num.bend as NU

81def num_pair.go(-b: D.Bytes, +from: U32, +to: U32, m_b: BC.BMirror(b)) ->
82  {C.num(b, from, to) == (b, Pair.snd(D.Bytes, Maybe<&2, U32>, C.num(b, from, to))) : D.Bytes & Maybe<&2, U32>}:
83  (+l_b, m2_b) = m_b
84  (+t_b, +e_b) = m2_b
85  %e_b : {C.num(_, from, to) == (_, Pair.snd(D.Bytes, Maybe<&2, U32>, C.num(_, from, to))) : D.Bytes & Maybe<&2, U32>}
86  NU.num_pair_t(l_b, t_b, from, to)