Memory.rd: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/src/crypto/argon2/memory.bend as Memory
Lines 11-18 of bend-collections-laws-crypto@1.0.0.0/src/crypto/argon2/memory.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/argon2/memory.bend&start_line=11&end_line=18

import Base

# Words i - n .. i, prepended to acc: pair holds the memory and word i.
def rd(n: Nat, +i: Nat, acc: List<&2, U32>, pair: Array<U32> & U32) -> Array<U32> & List<&2, U32>:
  match n pair:
    case 0n Tuple{a, w}:
      (a, w <> acc)
    case 1n+p Tuple{a, w}:
      +j = Nat.sub(i, 1n)
      rd(p, j, w <> acc, Array.get(U32, a, U32.from_nat(j)))

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  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=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat