eywordflow">return</span> *<span class="keyword">this</span>; } 
<a name="l00129"></a>00129     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> P&gt; <span class="keywordtype">bool</span>   operator==(<span class="keyword">const</span> P&amp; p)<span class="keyword">    const </span>{ <span class="keywordflow">return</span> equal(p, mpl::bool_&lt;is_pixel&lt;P&gt;::value&gt;()); } 
<a name="l00130"></a>00130 
<a name="l00131"></a>00131     <span class="keyword">template</span