s_singleton_or_more" class="anchor"></a><code><span><span class="keyword">val</span> is_singleton_or_more : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-elt">elt</a> <a href="../../../../../../../../IStdlib/IContainer/index.html#type-singleton_or_more">IStdlib.IContainer.singleton_or_more</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=".