...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
// In header: <boost/accumulators/statistics/tail.hpp> template<typename LeftRight> struct tail : public boost::accumulators::depends_on<>, private boost::accumulators::tail_cache_size_named_arg< LeftRight > { static boost::parameter::keyword< tail_cache_size_named_arg< LeftRight > > const cache_size; // tag::tail<LeftRight>::cache_size named parameter };