Memory.levels_go: 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 48-56 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=48&end_line=56

import Base

# The smallest k >= k0 with 2^k >= n.
def levels_go(fuel: Nat, +n: Nat, +k: Nat, done: Bool) -> Nat:
  match fuel done:
    case _ True{}:
      k
    case 0n False{}:
      k
    case 1n+f False{}:
      levels_go(f, n, 1n+k, Nat.is_le(n, pw(1n+k)))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/argon2/memory.bend&name=pw