s="anchor"></a><code><span class="keyword">type</span> key</code><code> = <a href="../index.html#type-id">id</a></code></dt><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><code> = <span><span class="type-var">'a</span> <a href="../../../argument-1-CFG/Node/index.html#module-IdMap">CFG.Node.IdMap</a>.t</span></code></dt></dl><dl><dt class="spec value" id="val-empty"><a href="#val-empty" class="anchor"></a><code><span clas