def cl_con
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/limbs.bend as Limbsimport Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/curve25519/field.bend as F
207def cl_con(+l: U32, +r: F.Cr) -> {cl(F.carry_con(l, r)) == Con{l, cl(r)} : List<&2, U32>}:
208 match r:
209 case F.Cr{a, c}:
210 {==}