se</span><span class=special>(); };

    </span><span class=keyword>struct </span><span class=identifier>Derived </span><span class=special>: </span><span class=identifier>Base </span><span class=special>{};

</span></pre></code>

<p>

And a set of C++ functions operating on <tt>Base</tt> and <tt>Derived</tt> object

instances:</p>

<code><pre>

    <span class=keyword>void </span><span class=identifier>b</span><span class=special>(</span><span class=identifier>Base</span><span class=special>*);

  