isSet method
Check if a field is currently set or unset, using the fieldId
.
Implementation
bool isSet(int fieldID) {
switch (fieldID) {
case SECONDS:
return isSetSeconds();
case MICROSECONDS:
return isSetMicroseconds();
case MONTHS:
return isSetMonths();
default:
throw new ArgumentError("Field $fieldID doesn't exist!");
}
}