...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::unit_test::is_container_forward_iterable
// In header: <boost/test/utils/is_forward_iterable.hpp> template<typename T> struct is_container_forward_iterable { // types typedef std::remove_reference< T >::type T_ref; typedef unspecified is_fwd_it_t; typedef mpl::bool_< is_fwd_it_t::value > type; enum { value = is_fwd_it_t::value }; };