Stream.nk: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/proofs/math/random/chacha8/stream.bend as Stream
Lines 42-52 of bend-collections-laws-math@1.0.0.0/proofs/math/random/chacha8/stream.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/proofs/math/random/chacha8/stream.bend&start_line=42&end_line=52

import Base
import bend-collections-laws-math@1.0.0.0/src/math/random/chacha8.bend as C8
import bend-collections-laws-math@1.0.0.0/spec/math/random/chacha8rand.bend as S

# the key of the iteration after them
def nk(+kl: List<&2, U32>, p: C8.Phase) -> List<&2, U32>:
  match p:
    case C8.G0{}:
      kl
    case C8.G1{}:
      S.next_key(kl)
    case C8.G2{}:
      S.next_key(kl)
    case C8.G3{}:
      S.next_key(kl)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/random/chacha8rand.bend&name=next_key
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8.bend&name=Phase