...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
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 member functions BOOST_STATIC_CONSTANT(bool, value = false); };
The value static constant will be true if the type T
is a specialization of reference_wrapper
.