law carry_bit
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/sha512/words.bend as Wordsimport Base
import bend-collections-laws-crypto@1.0.0.0/src/math/w64.bend as X
20law carry_bit:
21 for +b: Bool
22 {X.b32(b) == Bool.to_u32(b) : U32}