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        <li><pre><code class="code"><span class="comment">// Will throw an exception like "AssertError@example.d(6): &lt;Bobrick&gt; is not in &lt;[Tim, Al]&gt;."
</span><span class="string_literal">"Bobrick"</span>.<span class="psymbol">shouldBeIn</span>([<span class="string_literal">"Tim"</span>, <span class="string_literal">"Al"</span>]);
</code></pre></li>
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