def sum0
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
68def sum0(+x: T.Lane) -> T.Lane:
69 xor(xor(rotr(x, 28n), rotr(x, 34n)), rotr(x, 39n))