...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::xpressive::op::insert::result<This(Cont,It,Size,Value),typename disable_if< is_integral< UNCVREF(It)> >::type>
template<typename This, typename Cont, typename It, typename Size, typename Value> struct result<This(Cont, It, Size, Value), typename disable_if< is_integral< UNCVREF(It)> >::type> { // types typedef void type; };