> <span class="parameter-name">element</span></span>)</span>)
    </section>
    <section class="desc markdown">
      <p>Expands each element of this <a href="dart-core/Iterable-class.html">Iterable</a> into zero or more elements.</p>
<p>The resulting Iterable runs through the elements returned
by <code>f</code> for each element of this, in iteration order.</p>
<p>The returned <a href="dart-core/Iterable-class.html">Iterable</a> is lazy, and calls <code>f</code> for each element
of this every time it's ite