ng,FileMode,int">
  <dt><pre><span class="Keyword">proc</span> <a href="#xopen%2Cstring%2CFileMode%2Cint"><span class="Identifier">xopen</span></a><span class="Other">[</span><span class="Identifier">T</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">fn</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">;</span> <span class="Identifier">mode</span><span class="Other">:</span> <span class="Identifier">FileMode</span> <span class=