../index.html">control</a> &#x00BB; <a href="../index.html">Control</a> &#x00BB; Alternative1</nav><h1>Module type <code>Control.Alternative1</code></h1></header><dl><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> <span>'a t</span></code></dt></dl><dl><dt class="spec value" id="val-empty"><a href="#val-empty" class="anchor"></a><code><span class="keyword">val</span> empty : <span><span class="type-var">'a</span> <a href="index.html#type-t">t</a>