ass="special">; } </span><span class="comment">// return the 
      argument ArgT</span><br>
      <br>
      </code>The meta-function above is invoked as:<br>
      <br>
      <code><span class="keyword">typename</span> identity_meta_func<span class="special">&lt;</span>ArgT<span class="special">&gt;::</span>type</code><br>
      <br>
      By convention, meta-functions return the result through the typedef <tt>type</tt>. 
      Take note that <tt>typename</tt> is only required within templates.</td>
  </t