isSet method

bool isSet(
  1. int fieldID
)
override

Check if a field is currently set or unset, using the fieldId.

Implementation

bool isSet(int fieldID) {
  switch (fieldID) {
    case ALIAS:
      return isSetAlias();
    case EXPR:
      return isSetExpr();
    default:
      throw new ArgumentError("Field $fieldID doesn't exist!");
  }
}