
    <p>Represents a discrete value in a series, where a value&#39;s
successor, if any, is reachable by applying the value&#39;s
<code>successor()</code> method.</p>
</div>

<table class="standard">
<tr>
<th id="inheritance">Inheritance</th>
<td>
<code class="inherits">Equatable, _Incrementable</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 cla