th>
                <p>
                  Semantics, Pre/Post-conditions
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">W</span><span class="special">::</span><span class="identifier">const_buffers_type</span></code>
                </p>
              </td>
<td>
              </td>
<td>
                <p>
                  A type which meets the requirements of <a href="../../../../../../do