">A</code>
        is <code class="computeroutput">CopyConstructible</code> (C++Std [copyconstructible]), <code class="computeroutput">Destructible</code>
        (C++Std [destructible]), and <code class="computeroutput">allocator_traits&lt;A&gt;::rebind_alloc&lt;U&gt;</code>
        meets the allocator requirements (C++Std [allocator.requirements]), where
        <code class="computeroutput">U</code> is an object type. [<span class="emphasis"><em>Note:</em></span> For example,
        <code class="computer