link" data-toggle="collapse" href="#comment-var-start_-self-bound">var start: Self.Bound</a> <span class="required">Required</span><div class="comment collapse" id="comment-var-start_-self-bound"><div class="p">
    <p>The <code>Interval</code>&#39;s lower bound.</p>

<p>Invariant: <code>start</code> &lt;= <code>end</code>.</p>

    <h4>Declaration</h4>    
    <code class="language-swift">var start: Self.Bound { get }</code>

    </div></div>
</div>



<h3>Instance Methods</h3>
<div class="declaration" id=