 class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/dump.html" class="external-link">dump</a></span><span class="op">(</span><span class="st">"d"</span>, <span class="st">""</span><span class="op">)</span><span class="op">)</span></span></code></pre></div>
<pre><code><span><span class="va">d</span> <span class="op">&lt;-</span></span>
<span><span class="fu"><a href="https://rdrr.io/r/base/structure.html" class="external-link">structure</a></span><span class="op">(</span><span class="fu"><a 