compareTo method
Compare dates
returns -1,0,+1
Implementation
@override
int compareTo(Date other) {
if (identical(this, other)) {
return 0;
} else if (julianDayNumber == other.julianDayNumber) {
return time.compareTo(other.time);
} else if (julianDayNumber > other.julianDayNumber) {
return 1;
} else {
return -1;
}
}