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  <div class="col-xs-12 col-sm-9 col-md-8 main-content">
    <h1>cast&lt;R&gt; method</h1>

    <section class="multi-line-signature">
      <span class="returntype"><a href="dart-core/Set-class.html">Set</a><span class="signature">&lt;R&gt;</span></span>
      <span class="name ">cast</span>
&lt;R&gt;(<wbr>)
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span> </h2>
      <pre class="language-dart"><code class="language-dart">Set&lt;R&gt