link" href="../../../accumulators/reference.html#header.boost.accumulators.framework.accumulators.reference_accumulator_hpp" title="Header &lt;boost/accumulators/framework/accumulators/reference_accumulator.hpp&gt;">boost/accumulators/framework/accumulators/reference_accumulator.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Tag<span class="special">&gt;</span> 
<span class="keyword">struct</span> <a class="link" href="referenc