"keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;?perms:int&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;?temp_dir:string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;*&nbsp;<span class="constructor">Stdlib</span>.out_channel<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;get_temp_dir_name&nbsp;:&nbsp;unit&nbsp;<span class="keywordsign">-&gt;