cross method

@override bool cross(IntervalWrapper<TimeWrapper> wrapper)

Implementation

@override
bool cross(IntervalWrapper<TimeWrapper> wrapper) {
  var crossStart = wrapper.contains(start);
  var crossEnd = wrapper.contains(end);
  var crossOtherStart = contains(wrapper.start as Time);
  var crossOtherEnd = contains(wrapper.end as Time);
  return crossStart || crossEnd || crossOtherStart || crossOtherEnd;
}