Num.mantissa: def of bend-toon-codec@0.1.0.0
Import: import bend-toon-codec@0.1.0.0/src/num.bend as Num
Lines 182-191 of bend-toon-codec@0.1.0.0/src/num.bend: https://jend.leeeet.dev/read.txt?path=bend-toon-codec@0.1.0.0/src/num.bend&start_line=182&end_line=191

import Base

def mantissa(+d: String) -> String:
  match d:
    case SNil{}:
      "0"
    case SCon{c, t}:
      match t:
        case SNil{}:
          SCon{c, SNil{}}
        case _:
          SCon{c, SCon{'.', t}}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String