e input</td>
  </tr>
  <td class="table_cells"><code><span class=keyword> </span><span class=identifier>scanner 
    </span><span class=keyword>const</span><span class=special>&amp; </span><span class=keyword>operator</span><span class=special>++()</span></code></td>
  <td class="table_cells">move the scanner forward</td>
  </tr>
  <tr>
    <td class="table_cells"><code><span class=identifier>IteratorT&amp; first</span><span class=special></span></code></td>
    <td class="table_cells">The iterator pointing