Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This is an older version of Boost and was released in 2018. The current version is 1.89.0.
boost::accumulators::sample
// In header: <boost/accumulators/framework/parameters/sample.hpp> boost::parameter::keyword< tag::sample > const sample;