of static method

RCalendarMarker? of(
  1. BuildContext context, {
  2. bool nullOk = false,
})

Implementation

static RCalendarMarker? of(BuildContext context, {bool nullOk = false}) {
  final RCalendarMarker? inherited =
      context.dependOnInheritedWidgetOfExactType<RCalendarMarker>();
  assert(() {
    if (nullOk) {
      return true;
    }
    if (inherited == null) {
      throw FlutterError(
          'Unable to find a $RCalendarMarker widget in the context.\n'
          '$RCalendarMarker.of() was called with a context that does not contain a '
          '$RCalendarMarker widget.\n'
          'No $RCalendarMarker ancestor could be found starting from the context that was '
          'passed to $RCalendarMarker.of().\n'
          'The context used was:\n'
          '  $context');
    }
    return true;
  }());
  return inherited;
}