urn length of span.</p></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@property
def length(self) -&gt; int:
    &#34;&#34;&#34;
    Return length of span.
    &#34;&#34;&#34;
    return self.end - self.start</code></pre>
</details>
</dd>
<dt id="gatenlp.span.Span.start"><code class="name">var <span class="ident">start</span></code></dt>
<dd>
<div class="desc"><p>Return the start offset.</p></div>
<details class="source">
<summary>
<span>Expand 