Method VisitSet

python/pyarrow/src/arrow/python/inference.cc:670–677

  }

  Status VisitSet(PyObject* obj, bool* keep_going /* unused */) {
    if (!list_inferrer_) {
      list_inferrer_.reset(
          new TypeInferrer(pandas_null_sentinels_, validate_interval_, make_unions_));
    }
    ++list_count_;
    return list_inferrer_->VisitIterable(obj);
  }

  Status VisitNdarray(PyObject* obj, bool* keep_going) {
    PyArray_Descr* dtype = PyArray_DESCR(reinterpret_cast<PyArrayObject*>(obj));