def edges.winding
import gralha-svg-render@0.1.0.1/svg.bend as Svgimport Base
1856def edges.winding(es: List<&2, Edge>, +p: Point, +acc: F32) -> F32:
1857 match es:
1858 case Nil{}: acc
1859 case Con{e, rest}: edges.winding(rest, p, (acc + edge.cross(e, p) : F32))