!'a t</span></span><span> =
  <span><span class="type-var">'a</span> <a href="../../../../../argument-1-T/CFG/Node/IdMap/index.html#type-t">Absint.AbstractInterpreter.MakeWTO(T).TransferFunctions.CFG.Node.IdMap.t</a></span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-empty"><a href="#val-empty" class="anchor"></a><code><span><span class="keyword">val</span> empty : <span><span class="type-var">'a</span> <a href="#type-t">t</a></span></span></code></div></div><div