ame"><em>n</em></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Allocates an uninitialized buffer of given size, or throws exception if <code>Arena_obj::allocate()</code> does; satisfies formal requirements of STL-compliant <code>Allocator</code> concept. </p>
<p >See cppreference.com for those formal requirements.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">n</td><td>The buffer allocated shall be 