...one of the most highly
regarded and expertly designed C++ library projects in the
world. — Herb Sutter and Andrei
A pointer to a function, a pointer to member function, a pointer to member data, or a class type whose objects can appear immediately to the left of a function call operator.
& a_free_function & a_class::a_static_member_function & a_class::a_nonstatic_data_member & a_class::a_nonstatic_member_function std::less<int>() // using namespace boost; bind(std::less<int>(), _1, 5) lambda::_1 += lambda::_2; fusion::