lerp static method
Implementation
static ShadSpacing lerp(ShadSpacing a, ShadSpacing b, double t) =>
ShadSpacing(step: a.step + (b.step - a.step) * t);
static ShadSpacing lerp(ShadSpacing a, ShadSpacing b, double t) =>
ShadSpacing(step: a.step + (b.step - a.step) * t);