; &#39;?5042 -&gt; &#39;?5043 option<br />
                          <strong>Type parameters:</strong> '?5042, '?5043          </div>
        </td>
        <td class="xmldoc">
        <p>Converts a function returning bool,value to a function returning value option.
Useful to process TryXX style functions.</p>

        </td>
      </tr>
    </tbody>
  </table>
  <h3>Active patterns</h3>
  <table class="table table-bordered member-list">
    <thead>
      <tr><td>Active pattern</td><td>Description</td></tr>
 