ferFunctions/CFG/Node/IdMap/index.html#type-t">InvariantMap.t</a></span></span></code></div><div class="spec-doc"><p>invariant map from node id -&gt; state representing postcondition for node id</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-compute_post"><a href="#val-compute_post" class="anchor"></a><code><span><span class="keyword">val</span> compute_post : 
  <span><span class="optlabel">?do_narrowing</span>:bool <span class="arrow">&#45;&gt;</span></span>
  <span><span c