Aegis128.ad.ae.w64: def of bend-osdev-aead@0.1.0.0
Import: import bend-osdev-aead@0.1.0.0/aegis128.bend as Aegis128
Lines 202-209 of bend-osdev-aead@0.1.0.0/aegis128.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-aead@0.1.0.0/aegis128.bend&start_line=202&end_line=209

import Base
import bend-osdev-word64@0.1.0.0/word64.bend as W

# n as a 64-bit word, counted up (W64.from_nat divides by 2^32, a literal
# the checker would expand when a proof meets it)
def ad.ae.w64(n: Nat, acc: W.W64) -> W.W64:
  match n:
    case 0n:
      acc
    case 1n+p:
      ad.ae.w64(p, W.W64.add(acc, W.W64.one()))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.add
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.one