def prepare
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/sha512.bend as Sha512import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/sha512/types.bend as T
229def prepare(bytes: List<&2, U32>, extra: Nat) -> List<&2, List<&2, T.Lane>>:
230 schedules(words(pad(bytes)), extra)