idirectional_streaming</a></code></td></tr></table></dt></dl><aside><p><code>t</code> represents the types of rpcs available in gRPC.</p></aside><dl><dt class="spec value" id="val-unary"><a href="#val-unary" class="anchor"></a><code><span class="keyword">val</span> unary : <span>f:<a href="index.html#type-unary">unary</a></span> <span>&#45;&gt;</span> H2.Reqd.t <span>&#45;&gt;</span> <span>unit Lwt.t</span></code></dt><dd><p><code>unary ~f reqd</code> calls <code>f</code> with the request obtained from <cod