...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::weighted_sum_of_variates
// In header: <boost/accumulators/statistics_fwd.hpp> template<typename VariateType, typename VariateTag> struct weighted_sum_of_variates : public boost::accumulators::depends_on<> { };