"../../../index.html">infer</a> &#x00BB; <a href="../../index.html">Checkers</a> &#x00BB; <a href="../index.html">Control</a> &#x00BB; ControlMap</nav><header class="odoc-preamble"><h1>Module <code><span>Control.ControlMap</span></code></h1><p>Map control var -&gt; loop head location</p></header><div class="odoc-content"><div class="odoc-spec"><div class="spec type" id="type-key" class="anchored"><a href="#type-key" class="anchor"></a><code><span><span class="keyword">type</span> key</span><span> = <a href=