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;
}