Language: C C++ D Haskell Lua OCaml PHP Perl Plain Text Python Ruby Scheme Tcl #include<boost/mpl/vector.hpp> #include<boost/mpl/at.hpp> #include<boost/mpl/transform.hpp> template<class Seq> struct add_shared : boost::mpl::transform< Seq, boost::shared_ptr< boost::mpl::_> > {}; int main() { typedef add_shared< boost::mpl::vector<char,int,float> >::type s_t; cout << typeid(boost::mpl::at_c<s_t,0>::type).name() << endl; cout << typeid(boost::mpl::at_c<s_t,1>::type).name() << endl; cout << typeid(boost::mpl::at_c<s_t,2>::type).name() << endl; return 0; } Private [?] Run code