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<pre class="literallayout"><a name="idp47299056-bb"></a><span class="identifier">pool_allocator</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>Results in default construction of the underlying <code class="computeroutput"><a class="link" href="singleton_pool.html" title="Class template singleton_pool">singleton_pool</a></code> IFF an instance of this allocator is con