class="parameter-name">element</span></span>)</span>)
      <div class="features">inherited</div>
    </section>
    <section class="desc markdown">
      <p>Reduces a collection to a single value by iteratively combining each
element of the collection with an existing value</p>
<p>Uses <code>initialValue</code> as the initial value,
then iterates through the elements and updates the value with
each element using the <code>combine</code> function, as if by:</p>
<pre class="language-dart"><code>var value = i