s="arrow">&#45;&gt;</span></span>
  <a href="../index.html#type-t">t</a></span></code></div><div class="spec-doc"><p>add the attributes to both the current state and, if meaningful, the pre</p></div></div><div class="odoc-spec"><div class="spec value" id="val-add_one" class="anchored"><a href="#val-add_one" class="anchor"></a><code><span><span class="keyword">val</span> add_one : 
  <span><a href="../../PulseAbstractValue/index.html#type-t">PulseBasicInterface.AbstractValue.t</a> <span class="arrow">&#45;&g