SwayzeHeaderData constructor

const SwayzeHeaderData({ required int index, required double? extent, required bool hidden, })

Implementation

const SwayzeHeaderData({
  required this.index,
  required this.extent,
  required this.hidden,
}) : assert(
        (hidden == true) || (extent != null),
        'A SwayzeHeaderData either has to be hidden or have a custom extent',
      );