lass="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> LeftRight<span class="special">&gt;</span> 
<span class="keyword">struct</span> <a class="link" href="as_weig_1_3_2_6_3_21_1_1_7.html" title="Struct template as_weighted_feature&lt;tag::pot_tail_mean&lt; LeftRight &gt;&gt;">as_weighted_feature</a><span class="special">&lt;</span><span class="identifier">tag</span><span class="special">::</span><span class="identifier">pot_tail_mean</span><span class="special