;    <span class="keywordtype">void</span> greater(<span class="keywordtype">bool</span> greater_);</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keywordtype">bool</span> greater(<span class="keywordtype">void</span>) <span class="keyword">const</span>;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="comment">// Height</