/p>
<p>
</p>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">default_user_allocator_new_delete</span>
<span class="special">{</span>
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size_type</span><span class="special">;</span>
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="iden