ss="identifier">accumulator_base</span> <span class="special">{</span>
  <span class="comment">// <a class="link" href="non_1_3_2_6_3_59_1_1_22_48.html#boost.accumulators.impl.non_1_3_2_6_3_59_1_1_22_48construct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="non_1_3_2_6_3_59_1_1_22_48.html#id-1_3_2_6_3_59_1_1_22_48_6-bb"><span class="identifier">non_coherent_weighted_tail_mean_impl</span></a><span class="special">(</span><span class="identifier">dont_care</span><span class="specia