<span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special">&lt;</span> <span class="identifier">pointer</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">&gt;</span> 
  <a class="link" href="adaptive_pool.html#idp55945184-bb"><span class="identifier">allocation_command</s