Method next

tensorflow/python/util/util.cc:348–363

  }

  Safe_PyObjectPtr next() override {
    Safe_PyObjectPtr result;
    Safe_PyObjectPtr key(PyIter_Next(iter_.get()));
    if (key) {
      // PyDict_GetItem returns a borrowed reference.
      PyObject* elem = PyDict_GetItem(dict_, key.get());
      if (elem) {
        Py_INCREF(elem);
        result.reset(elem);
      } else {
        PyErr_SetString(PyExc_RuntimeError,
                        "Dictionary was modified during iteration over it");
      }
    }
    return result;
  }

 private:
  PyObject* dict_;