
    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="fu">hello</span><span class="op">(</span><span class="op">)</span></code></pre></div>
    </div>


    <div id="ref-examples">
    <h2>Examples</h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span class="fu">hello</span><span class="op">(</span><span class="op">)</span></span>
<span class="r-err co"><span class="r-pr">#&gt;</span> <span class="error">Error in hello():</span