Fixed.inc: def of emerging-ezjson@1.3.0.0
Import: import emerging-ezjson@1.3.0.0/src/fixed.bend as Fixed
Lines 230-236 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=230&end_line=236

import Base

# one more on digits written last first
def inc(digits: String) -> String:
  match digits:
    case SNil{}:
      "1"
    case SCon{+hd, +tl}:
      inc.at(Char.is_eq(hd, '9'), hd, tl, _u => inc(tl))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=emerging-ezjson@1.3.0.0/src/fixed.bend&name=inc.at