code">did_you_mean</code>, so that users get a clear notification of
    the failure even if producing the hint is slow.</p>
</div>
</div>

<pre><span id="VALcut_at"><span class="keyword">val</span> cut_at</span> : <code class="type">string -&gt; char -&gt; string * string</code></pre><div class="info ">
<div class="info-desc">
<p><code class="code"><span class="constructor">String</span>.cut_at&nbsp;s&nbsp;c</code> returns a pair containing the sub-string before
   the first occurrence of <code class="code