ass="special">,</span> <span class="keyword">static_cast</span><span class="special">&lt;</span><span class="keyword">int</span> <span class="special">*&gt;(</span><span class="identifier">NULL</span><span class="special">)</span> <span class="special">)</span>
  <span class="special">,</span> <span class="identifier">base1_type</span><span class="special">(</span> <span class="identifier">pbase3_type</span><span class="special">::</span><span class="identifier">member</span><span class="special">,</span> <