Method next

tensorflow/python/util/util.cc:413–424

        index_(0) {}

  Safe_PyObjectPtr next() override {
    Safe_PyObjectPtr result;
    if (index_ < size_) {
      // PySequence_Fast_GET_ITEM returns a borrowed reference.
      PyObject* elem = PySequence_Fast_GET_ITEM(seq_.get(), index_);
      ++index_;
      Py_INCREF(elem);
      result.reset(elem);
    }

    return result;
  }

 private:
  Safe_PyObjectPtr seq_;