lar to a tuple, a <code class="fsharp"><a href="../reference/reply.html"><span class="ci">Reply</span></a></code> can be seen as an
      aggregate of it three fields: <code class="fsharp"><a href="../reference/reply.html#members.Status"><span class="ci">Status</span></a></code>,
      <code class="fsharp"><a href="../reference/reply.html#members.Result"><span class="ci">Result</span></a></code> and <code class="fsharp"><span
      class="ci">Error</span></code>. The <code class="fsharp"><a href="../referen