Rep.cat: def of bend-toon-codec@0.1.0.0
Import: import bend-toon-codec@0.1.0.0/src/rep.bend as Rep
Lines 37-42 of bend-toon-codec@0.1.0.0/src/rep.bend: https://jend.leeeet.dev/read.txt?path=bend-toon-codec@0.1.0.0/src/rep.bend&start_line=37&end_line=42

import Base

def cat(+a: List<&2, Ln>, +b: List<&2, Ln>) -> List<&2, Ln>:
  match a:
    case Nil{}:
      b
    case Con{h, t}:
      Con{h, cat(t, b)}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/rep.bend&name=Ln