::Ptr</a>&#160;</td>
          <td class="paramname"><em>sync</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::exception_ptr&#160;</td>
          <td class="paramname"><em>ex</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

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