esult in an unexpected copy of the collection. To avoid
the unexpected copy, use the <code>index(after:)</code> method starting with
<code>startIndex</code> to produce indices instead.</p>
<pre><code class="language-swift">var c = MyFancyCollection([10, 20, 30, 40, 50])
var i = c.startIndex
while i != c.endIndex {
    c[i] /= 5
    i = c.index(after: i)
}
// c == MyFancyCollection([2, 4, 6, 8, 10])
</code></pre>
<h4>Declaration</h4><code class="language-swift">var indices: Int.Words.Indices</code></div></di