def dec2

bend-collections-laws-crypto@1.0.0.0 · src/crypto/argon2/phc.bend:167

import Base

167def dec2(ma: Maybe<&2, U32>, mb: Maybe<&2, U32>) -> Maybe<&2, List<&2, U32>>:
168  match ma mb:
169    case Some{+a} Some{+b}:
170      dec2_fin(byte_of(su(a), sv(a), sw(a), su(b)), Bool.and(U32.is_eq(sv(b), 0), U32.is_eq(sw(b), 0)))
171    case _ _:
172      None{}