an><span class="special">;</span>
  <span class="identifier">pointer</span> <a class="link" href="adaptive_pool.html#idp55952688-bb"><span class="identifier">allocate_one</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="adaptive_pool.html#idp55953872-bb"><span class="identifier">allocate_individual</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special"