Svg.marker.first: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 956-961 of gralha-svg-render@0.1.0.1/svg.bend: https://jend.leeeet.dev/read.txt?path=gralha-svg-render@0.1.0.1/svg.bend&start_line=956&end_line=961

import Base
import gralha-text-scan@0.1.0.1/scan.bend as U

def marker.first(xs: List<&2, MarkerSegment>, fallback: Point) -> Point:
  match xs:
    case Nil{}: fallback
    case Con{MarkerSegment{p, q, outgoing, incoming, kind}, rest}:
      +v = outgoing
      U.branch(Point, marker.nonzero(v), _ => v, _ => marker.first(rest, fallback))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=MarkerSegment
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=Point
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=marker.nonzero
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=branch