...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::intrusive::function_hook
// In header: <boost/intrusive/options.hpp> template<typename Functor> struct function_hook { // member classes/structs/unions template<typename Base> struct pack { // types typedef function_value_traits value_traits; }; < Functor > function_value_traits; // @ typedef detail::function_hook_traits };