Cover.lines.append: def of gralha-coverage@0.1.0.1
Import: import gralha-coverage@0.1.0.1/cover.bend as Cover
Lines 168-171 of gralha-coverage@0.1.0.1/cover.bend: https://jend.leeeet.dev/read.txt?path=gralha-coverage@0.1.0.1/cover.bend&start_line=168&end_line=171

import Base

def lines.append(xs: List<&2, CovLine>, ys: List<&2, CovLine>) -> List<&2, CovLine>:
  match xs:
    case Nil{}: ys
    case Con{h, t}: Con{h, lines.append(t, ys)}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=CovLine