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::proto::long_ — A PrimitiveTransform that returns the specified long.
// In header: <boost/proto/transform/integral_c.hpp> template<long I> struct long_ : proto::integral_c< long, I > { };