ass="keyword">static_cast</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;(</span><span class="identifier">d</span><span class="special">);</span> <span class="special">}</span>

<span class="identifier">BOOST_PYTHON_MODULE</span><span class="special">(</span><span class="identifier">demo</span><span class="special">)</span>
<span class="special">{</span>
    <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">bo