./../../doc/src/images/note.png"></td>
<th align="left">Note</th>
</tr>
<tr><td align="left" valign="top"><p>
            The <code class="computeroutput"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></code>
            for the attribute value stored type must be visible from the point of
            this call.
          </p></td></tr>
</table></div>
<p>
          The function takes the stored attribute value type (<code class="computeroutput"><span class="identifier">point</spa