 the <tt>boost::wave::context</tt> object too. </p></td>
  </tr>
</table>
<h2><a name="member_functions"></a>Member functions</h2>
<p>Besides the functions, which should be provided for <tt>forward_iterators</tt> as mandated by the C++ Standard, every lexer must implement the following functions to be used with the <tt>Wave</tt> library: </p>
<p><a name="constructor" id="constructor"></a><b>constructor</b></p>
<pre>    lex_iterator();</pre>
<blockquote>
  <p>The default constructor should construct a lexer 