...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::rolling_window
// In header: <boost/accumulators/statistics/rolling_window.hpp> struct rolling_window : public boost::accumulators::depends_on< rolling_window_plus1 > { static boost::parameter::keyword< tag::rolling_window_size > const window_size; // tag::rolling_window::size named parameter };