"sourceLine" id="cb30-9" title="9"></a>
<a class="sourceLine" id="cb30-10" title="10"><span class="kw">my_fun</span>(<span class="kw">head</span>(iris))</a>
<a class="sourceLine" id="cb30-11" title="11"><span class="co">#&gt; Warning: x is not a character vector. The output may not be what you're</span></a>
<a class="sourceLine" id="cb30-12" title="12"><span class="co">#&gt; expecting.</span></a>
<a class="sourceLine" id="cb30-13" title="13"><span class="co">#&gt; [1] "c(5.1, 4.9, 4.7, 4.6, 5, 5.4) is the v