Fixed.inc.at: def of emerging-ezjson@1.3.0.0
Import: import emerging-ezjson@1.3.0.0/src/fixed.bend as Fixed
Lines 222-228 of emerging-ezjson@1.3.0.0/src/fixed.bend: https://jend.leeeet.dev/read.txt?path=emerging-ezjson@1.3.0.0/src/fixed.bend&start_line=222&end_line=228

import Base

# one more on a digit, carried: a 9 is 0 and carries
def inc.at(nine: Bool, ch: Char, tl: String, more: Unit -> String) -> String:
  match nine:
    case True{}:
      SCon{'0', more(Unit{})}
    case False{}:
      SCon{Char.from_u32(U32.add(Char.to_u32(ch), 1)), tl}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char.from_u32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char.to_u32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit