line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        os &lt;&lt; <span class="stringliteral">&quot;\&quot;;\n&quot;</span> &lt;&lt; <span class="stringliteral">&quot;color=\&quot;purple\&quot;\n&quot;</span>;</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        <span class="keywordflow">for</span>(<span class="keyword">const</span> <span class="keyword">auto</span>&a