plusMinutes method
Implementation
TimeOfDay plusMinutes(int minutes) {
if (minutes == 0) {
return this;
} else {
int mofd = hour * 60 + minute;
int newMofd = ((minutes % 1440) + mofd + 1440) % 1440;
if (mofd == newMofd) {
return this;
} else {
int newHour = newMofd ~/ 60;
int newMinute = newMofd % 60;
return TimeOfDay(hour: newHour, minute: newMinute);
}
}
}