> <span class="o">=</span> <span class="n">dataOrNil</span> <span class="nf">else</span> <span class="p">{</span> <span class="k">return</span> <span class="p">}</span>

    <span class="nf">print</span><span class="p">(</span><span class="s">"Battery is at </span><span class="se">\(</span><span class="n">vehicle</span><span class="o">.</span><span class="n">chargeState</span><span class="o">.</span><span class="n">batteryLevel</span><span class="se">)</span><span class="s">%"</span><span class="p">)</span>