length property

int length

Implementation

int get length {
  var n = 0;
  final numIntervals = intervals.length;
  if (numIntervals == 1) {
    final firstInterval = intervals[0];
    return firstInterval.b - firstInterval.a + 1;
  }
  for (var i = 0; i < numIntervals; i++) {
    final I = intervals[i];
    n += (I.b - I.a + 1);
  }
  return n;
}