...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::accumulators::tag::tail_weights
// In header: <boost/accumulators/statistics/tail_variate.hpp> template<typename LeftRight> struct tail_weights : public boost::accumulators::depends_on< tail< LeftRight > > { };