def ListSetFields(self):
    for type_descriptor in self.type_infos:
      if type_descriptor.name in self._data:
        yield type_descriptor, self.Get(type_descriptor.name)
Iterates over the fields which are actually set.
dataset/ETHPy150Open google/grr/grr/lib/rdfvalues/structs.py/RDFStruct.ListSetFields