2</code> combinator, waiting for one of two differently-typed
futures to complete.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.SelectAll.html"
                                  title='struct tokio::prelude::future::SelectAll'>SelectAll</a></td>
                           <td class='docblock-short'>
                                <p>Future for the <code>select_all</code> comb