a name="l00017"></a><span class="lineno">   17</span>&#160;                WordCount &amp; operator++() { count++; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;                <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator&lt; (<span class="keyword">const</span> WordCount &amp; l, <span class="keyword">const</span> WordCount &amp; r) </div>
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