BMFTraceOverlayAnimateOption.formMap constructor Null safety

Implementation

BMFTraceOverlayAnimateOption.formMap(Map map)
    : assert(map != null) // ignore: unnecessary_null_comparison
{
  animate = map['animate'] as bool;
  delay = map['delay'] as double;
  duration = map['duration'] as double;
  fromValue = map['fromValue'] as double;
  toValue = map['toValue'] as double;
  easingCurve =
      BMFTraceOverlayAnimationEasingCurve.values[map['easingCurve'] as int];
  trackMove = map['trackMove'] as bool;
  isPointMove = map['isPointMove'] as bool;
  isRotateWhenTrack = map['isRotateWhenTrack'] as bool;
  icon = map['icon'];
}