Nat.max: def of Base
Import: import Base
Lines 755-762 of Base/base.bend: https://jend.leeeet.dev/read.txt?path=Base/base.bend&start_line=755&end_line=762

import Base

def Nat.max(+a: Nat, +b: Nat) -> Nat:
  match a b:
    case 0n _:
      b
    case 1n+ap 0n:
      1n+ap
    case 1n+ap 1n+bp:
      1n+Nat.max(ap, bp)

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