pan>item<span class="hl opt">) {</span>
          <span class="hl kwa">return</span> <span class="hl opt">(</span>item <span class="hl opt">!=</span> <span class="hl kwa">null</span><span class="hl opt">) &amp;&amp;</span> item<span class="hl opt">.</span><span class="hl kwd">trim</span><span class="hl opt">().</span>length <span class="hl opt">&gt;</span> <span class="hl num">0</span><span class="hl opt">;</span>
        <span class="hl opt">});</span>
        result <span class="hl opt">+=</span> <span cl