;&gt;</span> <span class="type-var">'b</span> <span>&#45;&gt;</span> <span><span><span><span>(<span class="type-var">'c</span>, <span class="type-var">'d</span>)</span> Stdlib.result</span> <a href="Answer/index.html#type-t">Answer.t</a></span> Lwt.t</span>)</span> <span>&#45;&gt;</span> <a href="Directory/index.html#type-t">Directory.t</a> <span>&#45;&gt;</span> <span><span>(<a href="Directory/index.html#type-t">Directory.t</a>, <span><a href="../EzAPIServerUtils__Directory/Step/index.html#type-t">Direct