n class="s">&quot;{::d}&quot;</span><span class="p">,</span><span class="w"> </span><span class="n">vector</span><span class="p">{</span><span class="sc">&#39;h&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;e&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;l&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;l&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;o&#39;</span><span cl