#include <iostream> #include <string> #include <boost/lexical_cast.hpp> #include <boost/mpl/lambda.hpp> #include <pstade/egg/automatic.hpp> using namespace std; using namespace pstade::egg; template <class To> struct X_lexical_cast { typedef To result_type; template <class From> To operator()(From from) const { return boost::lexical_cast<To>(from); } }; automatic<X_lexical_cast<boost::mpl::_> >::type const lexical = PSTADE_EGG_AUTOMATIC; int main() { string str = lexical(20); // lexical_cast<string>(20); cout << str << endl; return 0; }
これはすごい