_of">tag::error_of</a><span class="special">&lt;</span> <span class="keyword">typename</span> <a class="link" href="as_feature.html" title="Struct template as_feature">as_feature</a><span class="special">&lt;</span> <span class="identifier">Feature</span> <span class="special">&gt;</span><span class="special">::</span>type <span class="special">&gt;</span> <a name="boost.accumulators.as_feature_tag_idp26593696.type"></a><span class="identifier">type</span><span class="special">;</span>
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