value</code> is not in the array, will throw an AssertError with the <code class="code">value</code>
 and array values.


  </p>
</div><div class="ddoc_examples">
  <h4>Examples</h4>
  <p class="para">
    
<section class="code_listing">
  <div class="code_sample">
    <div class="dlang">
      <ol class="code_lines">
        <li><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="