Bytes.b0: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/random/bytes.bend as Bytes
Lines 53-57 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/random/bytes.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/random/bytes.bend&start_line=53&end_line=57

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/u64.bend as W
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/random.bend as SCR

# the eight bytes of a word, split at the first
def b0(x: W.U64) -> U32:
  match x:
    case W.U64{+l, +h}:
      SCR.byte_of(l, 0n)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/random.bend&name=byte_of
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/math/u64.bend&name=U64