def nat

bend-kit-property@0.4.0.0 · shrink.bend:38

import Base

38# 0n, n - n/2, n - n/4, ..., n - 1. None for 0n.
39def nat(n: Nat) -> List<&1, Nat>:
40  +m = n
41  nat.go(m, Nat.is_eq(m, 0n), m, m)