Lemmas.pow2: def of bend-kit-lemmas@0.1.1.0
Import: import bend-kit-lemmas@0.1.1.0/lemmas.bend as Lemmas
Lines 5-11 of bend-kit-lemmas@0.1.1.0/lemmas.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-lemmas@0.1.1.0/lemmas.bend&start_line=5&end_line=11

import Base

# 2^n, by the doubling that Word.to_nat uses.
def pow2(n: Nat) -> Nat:
  match n:
    case 0n:
      1n
    case 1n+p:
      Nat.double(pow2(p))

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.double