nce count of the associated node pool. Never throws </p>
</li>
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<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T2<span class="special">&gt;</span> 
  <a name="idp55961008-bb"></a><span class="identifier">adaptive_pool</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="speci