def ch
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
80def ch(+x: T.Lane, y: T.Lane, z: T.Lane) -> T.Lane:
81 xor(and(x, y), and(not(x), z))