pan><span class="special">,</span>
                    <span class="identifier">Traits</span><span class="special">,</span>
                    <span class="identifier">Allocator</span><span class="special">&gt;</span></code>
                  </p>
                </td>
<td>
                  <p>
                    Returns <code class="computeroutput"><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>.
                  </p>
                </td>
