d Sequence">Forward
                      Sequence</a>
                    </p>
                  </td>
<td>
                    <p>
                      Operation's argument
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">Pred</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      A unary <a href="http://www.boost.org/libs/mpl/doc/r