 class="info ">
<span class="warning">Deprecated.</span><a href="Pervasives.html#VAL(||)"><code class="code">(<span class="keywordsign">||</span>)</code></a> should be used instead.<br>
</div>
<br>
<h6 id="6_Debugging">Debugging</h6><br>

<pre><span id="VAL__LOC__"><span class="keyword">val</span> __LOC__</span> : <code class="type">string</code></pre><div class="info ">
<code class="code">__LOC__</code> returns the location at which this expression appears in
    the file currently being parsed by the comp