n>.printer</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span class="optlabel">?pp_stop</span>:<span>unit <span class="xref-unresolved">CCHashtbl</span>.printer</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span class="optlabel">?pp_sep</span>:<span>unit <span class="xref-unresolved">CCHashtbl</span>.printer</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span class="optlabel">?pp_arrow</span>:<span>unit <span class="xref-unresolved">CCHashtbl</span>.printer</span> <s