>;
<span class='kw'>let</span> <span class='ident'>hachi</span> <span class='op'>=</span> <span class='kw-2'>&amp;</span><span class='ident'>dog</span>[<span class='number'>0</span>..<span class='number'>2</span>];</pre>

<!-- with this error: -->

<p>そして、次のようなエラーが発生します:</p>

<pre><code class="language-text">thread &#39;&lt;main&gt;&#39; panicked at &#39;index 0 and/or 2 in `忠犬ハチ公` do not lie on
character boundary&#39;
</code></pre>

<!-- ## Concatenation -->

<