n> <span class="identifier">Ch</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span> <span class="special">&gt;</span><span class="special">&gt;</span> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <a class="link" href="id_translator.html" title="Struct template id_translator">id_translator</a><span class="special">&lt;</span> <span class="identifier">std<