def filter.merge
import gralha-svg-render@0.1.0.1/svg.bend as Svgimport Base
import gralha-image@0.1.0.1/image.bend as Img
4635def filter.merge(xs: List<&2, FilterInput>, +p: Point, +linear: Bool, back: Img.Color) -> Img.Color:
4636 match xs:
4637 case Nil{}: back
4638 case Con{h, t}: filter.merge(t, p, linear, color.over(filter.input.color(h, p, linear), back))