isSet method
Check if a field is currently set or unset, using the fieldId
.
Implementation
bool isSet(int fieldID) {
switch (fieldID) {
case PTVAL:
return isSetPtVal();
case LSVAL:
return isSetLsVal();
case PGVAL:
return isSetPgVal();
default:
throw new ArgumentError("Field $fieldID doesn't exist!");
}
}