">
    <h2 id="note">Note<a class="anchor" aria-label="anchor" href="#note"></a></h2>
    <p>Please refer to <code><a href="uniset.html">uniset</a></code> for a link to examples
and a real-world demo.</p>
    </div>

    <div class="section level2">
    <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span class="op">{</span></span>
<span class="r-in"><span class="kw">if</span> <