yword">val</span> invalidate : 
  <span><span>(<a href="../PulseAbstractValue/index.html#type-t">Pulselib.PulseBasicInterface.AbstractValue.t</a>
   * <a href="../PulseValueHistory/index.html#type-t">Pulselib.PulseBasicInterface.ValueHistory.t</a>)</span> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="../PulseInvalidation/index.html#type-t">Pulselib.PulseBasicInterface.Invalidation.t</a> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="../../IBase/Location/index.html#type-t">IBase.