def dec3

bend-collections-laws-crypto@1.0.0.0 · src/crypto/argon2/phc.bend:181

import Base

181def dec3(ma: Maybe<&2, U32>, mb: Maybe<&2, U32>, mc: Maybe<&2, U32>) -> Maybe<&2, List<&2, U32>>:
182  match ma mb mc:
183    case Some{+a} Some{+b} Some{+c}:
184      dec3_fin(byte_of(su(a), sv(a), sw(a), su(b)), byte_of(sv(b), sw(b), su(c), sv(c)), U32.is_eq(sw(c), 0))
185    case _ _ _:
186      None{}