Function GetPrimitiveValues

python/pyarrow/src/arrow/python/arrow_to_pandas.cc:302–309

template <typename T = void>
inline const T* GetPrimitiveValues(const Array& arr) {
  if (arr.length() == 0) {
    return nullptr;
  }
  const int elsize = arr.type()->byte_width();
  const auto& prim_arr = checked_cast<const PrimitiveArray&>(arr);
  return reinterpret_cast<const T*>(prim_arr.values()->data() + arr.offset() * elsize);
}

Status MakeNumPyView(std::shared_ptr<Array> arr, PyObject* py_ref, int npy_type, int ndim,
                     npy_intp* dims, PyObject** out) {