Csshwb constructor

Csshwb(
  1. CSSNumericValue h,
  2. dynamic w,
  3. dynamic b, [
  4. dynamic alpha = 1,
])

Implementation

factory Csshwb(CSSNumericValue h, dynamic w, dynamic b,
        [dynamic alpha = 1]) =>
    Csshwb._(h, w ?? undefined, b ?? undefined, alpha ?? 1);