 using the allocating contructor: </p>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">BOOST_SYMBOL_EXPORT</span> <span class="identifier">my_class</span> <span class="special">{</span> <span class="keyword">int</span> <span class="identifier">i</span><span class="special">;</span> <span class="identifier">my_class</span><span class="special">(</span><span class="special">)</span> <span class="special">:</span> <span class="identifier">i</span><span class="special">(