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      <div><h1>HashSet&lt;<wbr><span class="type-parameter">E</span>&gt; constructor</h1></div>

    <section class="multi-line-signature">
      
      <span class="name ">HashSet&lt;<wbr><span class="type-parameter">E</span>&gt;</span>(<wbr>{<span class="parameter" id="-param-equals"><span class="type-annotation"><a href="dart-core/bool-class.html">bool</a></span> <span class="parameter-name">equals</span>(<span class="parameter" id="equals-param-e1"><span class="type-annotatio