eader.boost.accumulators.statistics_fwd_hpp" title="Header &lt;boost/accumulators/statistics_fwd.hpp&gt;">boost/accumulators/statistics_fwd.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Feature<span class="special">&gt;</span> 
<span class="keyword">struct</span> <a class="link" href="error_of.html" title="Struct template error_of">error_of</a> <span class="special">:</span> <span class="keyword">public</span> <span class="ide