/span><span class="special">&gt;</span>        <span class="identifier">children_</span><span class="special">;</span>
<span class="special">};</span>



<span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span>
<span class="special">{</span>
   <span class="comment">//a container holding a recursive data type</span>
   <span class="identifier">stable_vector</span><span class="special">&lt;</span><span class="identifier">data</span><span class="special">&gt;</span>