_more">IStdlib.IContainer.singleton_or_more</a></span></code></dt><dt class="spec value" id="val-pp"><a href="#val-pp" class="anchor"></a><code><span class="keyword">val</span> pp : <a href="../../../../../../../IStdlib/PrettyPrintable/index.html#module-F">IStdlib.PrettyPrintable.F</a>.formatter <span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> unit</code></dt><dt class="spec value" id="val-pp_element"><a href="#val-pp_element" class="anchor"></a><code><span class="keyword">val