p></dd></dl><dl><dt class="spec value" id="val-write_arr_index"><a href="#val-write_arr_index" class="anchor"></a><code><span class="keyword">val</span> write_arr_index : <a href="../IBase/Location/index.html#type-t">IBase.Location.t</a> <span>&#45;&gt;</span> <span>ref:<span>(<a href="../Pulselib/PulseAbstractValue/index.html#type-t">Pulselib.PulseBasicInterface.AbstractValue.t</a> * <a href="../Pulselib/PulseValueHistory/index.html#type-t">Pulselib.PulseBasicInterface.ValueHistory.t</a>)</span></span> <sp