special">,</span> <span class="keyword">unsigned</span> <span class="keyword">char</span> OP2<span class="special">&gt;</span> 
    adaptive_pool&amp; 
    <a class="link" href="adaptive_pool.html#idp55932256-bb"><span class="keyword">operator</span><span class="special">=</span></a><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