>
<span id="cb189-5"><a href="advanced-topics.html#cb189-5"></a>  g &lt;-<span class="st"> </span><span class="kw">gio</span>(arcs)</span>
<span id="cb189-6"><a href="advanced-topics.html#cb189-6"></a></span>
<span id="cb189-7"><a href="advanced-topics.html#cb189-7"></a>  <span class="co"># internally stored as data.frame</span></span>
<span id="cb189-8"><a href="advanced-topics.html#cb189-8"></a>  <span class="kw">expect_is</span>(g<span class="op">$</span>x<span class="op">$</span>data, <span class="st">&