Block.group: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/src/math/random/chacha8/block.bend as Block
Lines 150-152 of bend-collections-laws-math@1.0.0.0/src/math/random/chacha8/block.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8/block.bend&start_line=150&end_line=152

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

# the group of the blocks ctr, ctr + 1, ctr + 2, ctr + 3
def group(+k: Key, +ctr: U32) -> List<&2,W.U64>:
  interleave(block(k,ctr),block(k,U32.add(ctr,1)),block(k,U32.add(ctr,2)),block(k,U32.add(ctr,3)))

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=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8/block.bend&name=Key
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8/block.bend&name=block
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/random/chacha8/block.bend&name=interleave
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/u64.bend&name=U64