dex.html#type-t">t</a> <a href="index.html#type-access_result">access_result</a></span></code></dt><dd><p>write the edge <code>ref --*--&gt; obj</code></p></dd></dl><dl><dt class="spec value" id="val-invalidate"><a href="#val-invalidate" class="anchor"></a><code><span class="keyword">val</span> invalidate : <a href="../IBase/Location/index.html#type-t">IBase.Location.t</a> <span>&#45;&gt;</span> <a href="../Pulselib/PulseInvalidation/index.html#type-t">Pulselib.PulseBasicInterface.Invalidation.t</a> <span>&