def _item_count(self):
        return len(self._responses)
Network-only key function.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/hasresponses.py/HasResponses._item_count--crossover with--dataset/ETHPy150Open anzev/hedwig/build/pip/pip/_vendor/ipaddress.py/_BaseNetwork._get_networks_key