ss="type">string -&gt; unit</code></pre><div class="info ">
Change the temporary directory returned by <a href="Filename.html#VALget_temp_dir_name"><code class="code"><span class="constructor">Filename</span>.get_temp_dir_name</code></a>
    and used by <a href="Filename.html#VALtemp_file"><code class="code"><span class="constructor">Filename</span>.temp_file</code></a> and <a href="Filename.html#VALopen_temp_file"><code class="code"><span class="constructor">Filename</span>.open_temp_file</code></a>.<br>
<