ormation on other pool-based
            interfaces, see the other <a class="link" href="interfaces.html" title="Boost Pool Interfaces - What interfaces are provided and when to use each one.">Pool
            Interfaces</a>.
          </p>
<p>
            <span class="bold"><strong>Synopsis</strong></span>
          </p>
<p>
            There are two <a class="link" href="pooling.html#boost_pool.pool.pooling.user_allocator" title="The UserAllocator Concept">UserAllocator</a>
            classes provided. B