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 version of Boost is under active development. You are currently in the master branch. The current version is 1.90.0.
boost::is_reference_wrapper — Determine if a type T is an instantiation of reference_wrapper.
// In header: <boost/core/ref.hpp> template<typename T> struct is_reference_wrapper { // public data members static bool value; };
The value static constant will be true if the type T is a specialization of reference_wrapper.