ng_input &quot;&quot; in
let v1 = P.(parse input (return 5)) in
let v2 = P.(parse input (return &quot;hello&quot;)) in
v1 = 5 &amp;&amp; v2 = &quot;hello&quot;</code></pre></div></div><div class="odoc-spec"><div class="spec value" id="val-unit" class="anchored"><a href="#val-unit" class="anchor"></a><code><span><span class="keyword">val</span> unit : <span>unit <a href="#type-t">t</a></span></span></code></div><div class="spec-doc"><p><code>unit</code> always parses to <code>():unit</code> value.</p></div><