Block.finish: 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 134-138 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=134&end_line=138

import Base

# the key words added back to words 4..11
def finish(k: Key, v: Vector) -> Vector:
  match k v:
    case K{k0,k1,k2,k3,k4,k5,k6,k7} V{v0,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15}:
      V{v0,v1,v2,v3,U32.add(v4,k0),U32.add(v5,k1),U32.add(v6,k2),U32.add(v7,k3),U32.add(v8,k4),U32.add(v9,k5),U32.add(v10,k6),U32.add(v11,k7),v12,v13,v14,v15}

Uses (3):
  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=Vector