ha_t</a>());
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Pixel&gt; 
<a name="l00231"></a>00231 <span class="keyword">typename</span> channel_type&lt;Pixel&gt;::type alpha_or_max_impl(<span class="keyword">const</span> Pixel&amp;  , mpl::false_) {
<a name="l00232"></a>00232     <span class="keywordflow">return</span> channel_traits&lt;typename channel_type&lt;Pixel&gt;::type&gt;::max_value();
<a name="l00233"></a>0023