 _Incrementable, _IntegerArithmeticType, _IntegerType, _RandomAccessAmbiguity, _Reflectable, _Strideable</code>
<span class="viz"><a href="hierarchy/">View Protocol Hierarchy &rarr;</a></span>
</td>
</tr>

<tr>
<th id="aliases">Associated Types</th>
<td>
<span id="aliasesmark"></span>
<div class="declaration">
<code class="language-swift">Distance = Int</code>
<div class="comment">
    <p>A type that can represent the number of steps between pairs of
values.</p>
</div>
</div>
</td>
</tr>


<tr>
<th>Import</