name="shiftable2">shiftable&lt;T, U&gt;</a></code><br>
         <code>shiftable2&lt;T, U&gt;</code></td>

        <td>
          <ul>
            <li><code><a href="#left_shiftable2">left_shiftable&lt;T,
            U&gt;</a></code></li>

            <li><code><a href="#right_shiftable2">right_shiftable&lt;T,
            U&gt;</a></code></li>
          </ul>
        </td>
      </tr>

      <tr>
        <td><code><a name=
        "ring_operators1">ring_operators&lt;T&gt;</a></code><br>
         <code>ring_o