span class="o">-&gt;</span><span class="na">unit</span><span class="o">-&gt;</span><span class="na">run</span><span class="p">(</span><span class="s1">&#39;Foo&#39;</span><span class="p">,</span> <span class="s1">&#39;Foo&#39;</span><span class="p">);</span>
</pre></div>
</div>
<p>Here is an example of a data type match:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">unit</span><span class="o">-&gt;</span><span