def filter.kernel.sum
import gralha-svg-render@0.1.0.1/svg.bend as Svgimport Base
4822def filter.kernel.sum(xs: List<&2, FilterTap>) -> F32:
4823 match xs:
4824 case Nil{}: 0.0
4825 case Con{FilterTap{delta, weight}, rest}: (weight + filter.kernel.sum(rest) : F32)