top" width="25"><img alt="[Note]" src="../../../../../../../../doc/src/images/note.png"></td>
<th align="left">Note</th>
</tr>
<tr><td align="left" valign="top"><p>
              If you host both the std:: library namespace and boost::geometry::
              namespace set might become ambiguous, std::set is a collection. So
              don't do that or refer to geometry::set then explicitly.
            </p></td></tr>
</table></div>
<h6>
<a name="geometry.reference.access.set.set_2.h4"></a>
            <