nchored" id="val-check_valid"><a href="#val-check_valid" class="anchor"></a><code><span><span class="keyword">val</span> check_valid : 
  <span><a href="../PulseAbstractValue/index.html#type-t">Pulselib.PulseBasicInterface.AbstractValue.t</a> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span>
  <span><span>(unit,
    <a href="../PulseInvalidation/index.html#type-t">Pulselib.PulseBasicInterface.Invalidation.t</a>
    * <a href="../PulseTrac