class="special">();</span>
    <span class="identifier">fast_pool_allocator</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">fast_pool_allocator</span> <span class="special">&amp;);</span>
    <span class="comment">// The following is not explicit, mimicking std::allocator [20.4.1]</span>
    <span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">U</span><span class="special">&gt;</s