d taking too much space:</p>
<pre class="r"><code>quo(list(code = 1:10, data = !!(1:10)))</code></pre>
<pre class="knitr r">#&gt; &lt;quosure&gt;
#&gt;   expr: ^list(code = 1:10, data = &lt;int: 1L, 2L, 3L, 4L, 5L, ...&gt;)
#&gt;   env:  global
</pre>
<p>S3 objects are printed based on the extensible <code>pillar::type_sum()</code> generic:</p>
<pre class="r"><code>quo(lm(!!(disp ~ cyl), data = !!mtcars))</code></pre>
<pre class="knitr r">#&gt; &lt;quosure&gt;
#&gt;   expr: ^lm(&lt;S3: formula&gt;, data = &