Sha512.sum0: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/sha512.bend as Sha512
Lines 68-69 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/sha512.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/sha512.bend&start_line=68&end_line=69

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/sha512/types.bend as T

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

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/sha512.bend&name=rotr
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/sha512.bend&name=xor
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/sha512/types.bend&name=Lane