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