Chacha8rand.key_if: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/math/random/chacha8rand.bend as Chacha8rand
Lines 234-239 of bend-collections-laws-crypto@1.0.0.0/spec/math/random/chacha8rand.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/math/random/chacha8rand.bend&start_line=234&end_line=239

import Base

def key_if(+bs: List<&2, U32>, ok: Bool) -> Maybe<&2, List<&2, U32>>:
  match ok:
    case True{}:
      Some{words_of(bs)}
    case False{}:
      None{}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  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/math/random/chacha8rand.bend&name=words_of