verloads)">storage_ptr</a><span class="special">(</span>
    <span class="identifier">polymorphic_allocator</span><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">alloc</span><span class="special">);</span>
  <span class="emphasis"><em>» <a class="link" href="storage_ptr/overload3.html" title="storage_ptr::storage_ptr (3 of 5 overloads)"><code class="computerout