r">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><code class="computeroutput"><span class="special">&lt;</span> <span class="identifier">F</span><span class="special">(</span><span class="identifier">T1</span>
                    <span class="special">...</span><span class="identifier">TN</span><span class="special">)</span> <span class="special">&gt;::</span><span class="identifier">type</span></code>
                  </p>
                </td>
<td>
       