Method _null_bitmap

cpp/gdb_arrow.py:1605–1607

(self)

                              self._buffer_values(index, type_id, length))

    def _null_bitmap(self):
        buf = self._buffer(0) if has_null_bitmap(self.type_id) else None
        return NullBitmap.from_buffer(buf, self.offset, self.length)

    def _null_child(self, i):
        return str(i), "null"