><span class="special">::</span><span class="identifier">ptrdiff_t</span></code>.
              </p></dd>
<dt><span class="term"><code class="computeroutput"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">U</span><span class="special">&gt;</span> <span class="keyword">struct</span>
            <span class="identifier">rebind_to</span> <span class="special">{</span>
            <span class="keyword">typedef</span></code> <span