Function IsNonNullContiguous

python/pyarrow/src/arrow/python/arrow_to_pandas.cc:1408–1410

};

static inline bool IsNonNullContiguous(const ChunkedArray& data) {
  return data.num_chunks() == 1 && data.null_count() == 0;
}

template <int NPY_TYPE>
class IntWriter : public TypedPandasWriter<NPY_TYPE> {