Chacha8.last: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/src/math/random/chacha8.bend as Chacha8
Lines 53-55 of bend-collections-laws-math@1.0.0.0/src/math/random/chacha8.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8.bend&start_line=53&end_line=55

import Base
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as W

# the last group: 28 words of output, then the next key
def last(+g: List<&2, W.U64>) -> ChaCha8:
  C{rekey(List.drop(&2, W.U64, g, 28n)), G0{}, List.take(&2, W.U64, g, 28n)}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.drop
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.take
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8.bend&name=ChaCha8
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8.bend&name=Phase
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8.bend&name=rekey
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/u64.bend&name=U64