>istream_iterator</span></code>,
        that fall under the category of input iterators, cannot be used. Another
        input iterator that is of interest is one that wraps a lexer, such as LEX.
      </p>
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<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../images/note.png"></td>
<th align="left">Note</th>
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<tr><td align="left" valign="top"><p>
          In general, <span class="emphasis"><em>Spirit.Qi</em></span