ue" id="val-mk_un" class="anchored"><a href="#val-mk_un" class="anchor"></a><code><span><span class="keyword">val</span> mk_un : 
  <span>?pos:<span>(<span class="xref-unresolved">Stdlib</span>.Lexing.position * <span class="xref-unresolved">Stdlib</span>.Lexing.position)</span> <span class="arrow">&#45;&gt;</span></span>
  <span>?typ:<span><a href="../RType/index.html#type-t">RType.t</a> option</span> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="Unop/index.html#type-t">Unop.t</a> <span clas