Chacha.inner_blocks: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/spec/crypto/chacha.bend as Chacha
Lines 67-71 of bend-collections@1.0.0.0/spec/crypto/chacha.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/spec/crypto/chacha.bend&start_line=67&end_line=71

import Base

# n applications of inner_block (ChaCha20: n = 10, twenty rounds).
def inner_blocks(n: Nat, s: List<&2, U32>) -> List<&2, U32>:
  match n:
    case 0n: s
    case 1n+p: inner_blocks(p, inner_block(s))

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=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/spec/crypto/chacha.bend&name=inner_block