e <a href="dart-core/Iterable/where.html">where</a> and <a href="dart-core/Iterable/map.html">map</a>.</p>
<p>It is generally not allowed to modify the equality of elements (and thus not
their hashcode) while they are in the set. Some specialized subtypes may be
more permissive, in which case they should document this behavior.</p>
    </section>
    
    <section>
      <dl class="dl-horizontal">
        <dt>Inheritance</dt>
        <dd><ul class="gt-separated dark clazz-relationships">
          <li><a hr