             </p>
                  </td>
<td>
                    <p>
                      Metafunction that evaluates to <code class="computeroutput"><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>
                      if a certain type, <code class="computeroutput"><span class="identifier">G</span></code>
                      is a NaryGenerator, <code class="computeroutput"><span class="identifier">mpl</span><span class="special">::</span>