llocator" target="_top">User Allocators</a> for details.</p>
<p><span class="bold"><strong>Mutex</strong></span> Allows the user to determine the type of synchronization to be used on the underlying <a class="link" href="singleton_pool.html" title="Class template singleton_pool">singleton_pool</a>.</p>
<p><span class="bold"><strong>NextSize</strong></span> The value of this parameter is passed to the underlying <a class="link" href="singleton_pool.html" title="Class template singleton_pool">singleton_pool</