...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::proto::lit — A helper function for creating a
proto::literal<>
wrapper.
// In header: <boost/proto/literal.hpp> template<typename T> proto::literal< T & > const lit(T & t); template<typename T> proto::literal< T const & > const lit(T const & t);