"special">,</span> <span class="keyword">typename</span> VariateTag<span class="special">,</span> <span class="keyword">typename</span> LeftRight<span class="special">&gt;</span> 
<span class="keyword">struct</span> <a class="link" href="feature_of_tag_idp27086528.html" title="Struct template feature_of&lt;tag::tail_variate&lt; VariateType, VariateTag, LeftRight &gt;&gt;">feature_of</a><span class="special">&lt;</span><span class="identifier">tag</span><span class="special">::</span><span class="identifier"