lerp static method

Linearly interpolate between two filled button themes.

Implementation

static FilledButtonThemeData? lerp(FilledButtonThemeData? a, FilledButtonThemeData? b, double t) {
  if (identical(a, b)) {
    return a;
  }
  return FilledButtonThemeData(style: ButtonStyle.lerp(a?.style, b?.style, t));
}