code></div><dl><dt class="spec value" id="val-build"><a href="#val-build" class="anchor"></a><code><span class="keyword">val</span> build : <a href="Input/index.html#type-t">Input.t</a> <span>&#45;&gt;</span> <span><span>(<a href="Output/index.html#type-t">Output.t</a>, <span>[ <span>`Msg of string</span> ]</span>)</span> Lwt_result.t</span></code></dt><dd><p><code>build t</code> takes the data <code>t</code> and produces an output depending on the <code>Value.t</code></p></dd></dl></div></body></html>