"special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> 
    <a class="link" href="pool_allocator.html#idp47301840-bb"><span class="identifier">pool_allocator</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="pool_allocator.html" title="Class template pool_allocator">pool_allocator</a><span class="special">&lt;</span> <span class="identifier">U</span><span class="special">,</span> <span class="identifier">UserAllocator</spa