 class="identifier">O</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> I<span class="special">,</span> <span class="keyword">typename</span> O<span class="special">&gt;</span> <span class="identifier">O</span> <a class="link" href="../boost/move_backward.html" title="Function template move_backward"><span class="identifier">move_backward</span></a><span class="special">(</span><spa