def pw

import bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend as Argon2

import Base

70def pw(k: Nat) -> Nat:
71  match k:
72    case 0n:
73      1n
74    case 1n+p:
75      Nat.double(pw(p))

Uses (2)