Int.Nar.read.u: def of bend-kit-int@0.2.0.0
Import: import bend-kit-int@0.2.0.0/int.bend as Int
Lines 557-563 of bend-kit-int@0.2.0.0/int.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-int@0.2.0.0/int.bend&start_line=557&end_line=563

import Base

# Digits in radix r, at most m; no sign.
def Nar.read.u(+r: U32, +m: U32, s: String) -> Maybe<&2, U32>:
  match s:
    case SNil{}:
      None{}
    case SCon{h, t}:
      Nar.read.go(SCon{h, t}, r, m, Some{0})

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-kit-int@0.2.0.0/int.bend&name=Nar.read.go