pan></span>
  <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span>
  <span><span>(<a href="../../../../IR/Var/index.html#type-t">IR.Var.t</a> * <a href="../../../../IBase/Location/index.html#type-t">IBase.Location.t</a> * <a href="../../../PulseValueHistory/index.html#type-t">Pulselib.PulseBasicInterface.ValueHistory.t</a>)</span>
    option</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-has_unknown_effect"><a href="#val-has_unknown_effec