in the file
    currently being parsed by the compiler.<br>
<b>Since</b> 4.02.0<br>
</div>

<pre><span id="VAL__POS_OF__"><span class="keyword">val</span> __POS_OF__</span> : <code class="type">'a -&gt; (string * int * int * int) * 'a</code></pre><div class="info ">
<code class="code">__POS_OF__ expr</code> returns a pair <code class="code">(loc,expr)</code>, where <code class="code">loc</code> is a
    tuple <code class="code">(file,lnum,cnum,enum)</code> corresponding to the location at
    which the expr