e>
      </p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
    <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span>
    <span class="keyword">class</span> <a href="../../../../../../doc/html/boost_asio/reference/Handler.html" target="_top"><span class="bold"><strong>Handler</strong></span></a><span class="special">&gt;</span>
<span class="keyword">class</span> <span class="identifier">handler_ptr</span>
</pre