><a href="../Pulselib/PulseBasicInterface/Attributes/index.html#type-t">Pulselib.PulseBasicInterface.Attributes.t</a> option</span></code></dt><dt class="spec value" id="val-add_one"><a href="#val-add_one" class="anchor"></a><code><span class="keyword">val</span> add_one : <a href="../Pulselib/PulseAbstractValue/index.html#type-t">Pulselib.PulseBasicInterface.AbstractValue.t</a> <span>&#45;&gt;</span> <a href="../Pulselib/PulseAttribute/index.html#type-t">Pulselib.PulseBasicInterface.Attribute.t</a> <span>&