" id="val-pp"><a href="#val-pp" class="anchor"></a><code><span><span class="keyword">val</span> pp : <span><a href="#type-t">t</a> <a href="../../NS/index.html#type-pp">NS.pp</a></span></span></code></div></div><div class="odoc-include"><details open="open"><summary class="spec include"><code><span><span class="keyword">include</span> <a href="../../NS/Invariant/module-type-S/index.html">NS.Invariant.S</a> <span class="keyword">with</span> <span><span class="keyword">type</span> <a href="../../NS/Invariant/