x30E2;&#x30C7;&#x30EA;&#x30F3;&#x30B0;&#x3059;&#x308B;&#x65B9;&#x304C;&#x306F;&#x308B;&#x304B;&#x306B;&#x6B63;&#x78BA;&#x3067;&#x3059;:</p>
<pre><code class="lang-elm"><span class="hljs-keyword">type</span> <span class="hljs-type">Friend</span>
  = <span class="hljs-type">Less</span> <span class="hljs-type">String</span>
  | <span class="hljs-type">More</span> <span class="hljs-type">String</span> <span class="hljs-type">Info</span>

<span class="hljs-keyword">type</span> <span class="hljs-keyword">alias</s