de>R</code>: <code>reference</code> type</td>
            </tr>

            <tr>
              <td><code>V</code>: <code>value_type</code></td>

              <td>
              </td>
            </tr>
          </table>
        </td>
      </tr>

      <tr>
        <th>Template</th>

        <th>Component Operator Templates</th>
      </tr>

      <tr>
        <td><code><a name="input_iteratable">input_iteratable&lt;T,
        P&gt;</a></code></td>

        <td>
          <ul>
            <li><code><a hre