Json.u32.num: def of bend-net-json@0.3.0.0
Import: import bend-net-json@0.3.0.0/json.bend as Json
Lines 564-569 of bend-net-json@0.3.0.0/json.bend: https://jend.leeeet.dev/read.txt?path=bend-net-json@0.3.0.0/json.bend&start_line=564&end_line=569

import Base

def u32.num(s: String) -> Maybe<&2, U32>:
  match s:
    case SNil{}:
      None{}
    case SCon{Chr{+c}, t}:
      u32.lead(c, t, U32.is_eq(c, 48))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  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=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=bend-net-json@0.3.0.0/json.bend&name=u32.lead