entifier">N</span><span class="special">);</span>

  <span class="identifier">std</span><span class="special">::</span><span class="identifier">copy</span><span class="special">(</span><span class="identifier">filter_iter_first</span><span class="special">,</span> <span class="identifier">filter_iter_last</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream_iterator</span><span class="special">&lt;</span><span class="keyword"