ecial">);</span>
</pre>
<p>
      Obviously, there's no problem writing a generic version of copy that works
      for all iterator types <code class="computeroutput"><span class="identifier">Iter1</span></code>
      and <code class="computeroutput"><span class="identifier">Iter2</span></code>; however, there are
      some circumstances when the copy operation can best be performed by a call
      to <code class="computeroutput"><span class="identifier">memcpy</span></code>. In order to implement
      co