Num.big.small: def of yaml-for-bend@0.1.1.0
Import: import yaml-for-bend@0.1.1.0/num.bend as Num
Lines 138-143 of yaml-for-bend@0.1.1.0/num.bend: https://jend.leeeet.dev/read.txt?path=yaml-for-bend@0.1.1.0/num.bend&start_line=138&end_line=143

import Base

def big.small(s: String, acc: Nat) -> Nat:
  match s:
    case SNil{}:
      acc
    case SCon{c, t}:
      big.small(t, Nat.add(Nat.mul(acc, 10n), digit(c)))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/num.bend&name=digit