rd">char</span> OP2<span class="special">&gt;</span> 
  adaptive_pool&amp; 
  <a name="idp55932256-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="adaptive_pool.html" title="Class template adaptive_pool">adaptive_pool</a><span class="special">&lt;</span> <span class="identifier">T2</span><span class="special">,</span> <span class="identifier">SegmentManager2</span><span class="special">,</span> 