Nat.double: def of Base
Import: import Base
Lines 669-674 of Base/base.bend: https://jend.leeeet.dev/read.txt?path=Base/base.bend&start_line=669&end_line=674

import Base

def Nat.double(n: Nat) -> Nat:
  match n:
    case 0n:
      0n
    case 1n+p:
      2n+Nat.double(p)

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat