isLeapYear property

Implementation

bool get isLeapYear {
  bool leapYear = false;

  final bool leap = (year % 100 == 0) && (year % 400 != 0);
  if (leap) {
    leapYear = false;
  } else if (year % 4 == 0) {
    leapYear = true;
  }

  return leapYear;
}