given an object of the given Python type, can extract references
          and pointers to a particular C++ type. Its template arguments are:
        </p>
<pre class="programlisting"><span class="identifier">In</span> <span class="identifier">the</span> <span class="identifier">table</span> <span class="identifier">below</span><span class="special">,</span> <span class="identifier">x</span> <span class="identifier">denotes</span> <span class="identifier">an</span> <span class="identifier">object</span> <spa