ef="index.html">NotEmptySet</a><span class="token operator">&lt;</span><span class="token keyword"></span><a href="index.html">E</a><span class="token operator">&gt;</span><span class="token operator">?</span></div><p class="paragraph">All elements of this collection except the <a href="head.html">first one</a>.</p><p class="paragraph">Here's a simple usage example:</p><div class="sample-container"><pre><code class="block lang-kotlin" theme="idea">var collection: NotEmptyCollection&lt;Int&gt; = notEmptyList