Cover.lines.prepare: def of gralha-coverage@0.1.0.1
Import: import gralha-coverage@0.1.0.1/cover.bend as Cover
Lines 217-224 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=217&end_line=224

import Base

def lines.prepare(xs: List<&2, CovLine>, +dx: F32, +dy: F32, +w: F32, st: List<&2, CovLine> & U32) -> List<&2, CovLine> & U32:
  match xs:
    case Nil{}: st
    case Con{CovLine{x0, y0, x1, y1}, rest}:
      +ax = (x0 - dx : F32)
      +bx = (x1 - dx : F32)
      +by = (y1 - dy : F32)
      lines.prepare(rest, dx, dy, w, line.prepare.right(line.cut(ax, (y0 - dy : F32), bx, by, 0.0, w, st), bx, by, w))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=CovLine
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=line.cut
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=line.prepare.right