// In header: <boost/xpressive/regex_actions.hpp>


struct make_pair {
  // member classes/structs/unions
  template<typename Sig> 
  struct result {
  };
  template<typename This, typename First, typename Second> 
  struct result<This(First, Second)> {
    // types
    typedef std::pair< UNCVREF(First), UNCVREF(Second)> type;
  };

  // public member functions
  template<typename First, typename Second> 
    std::pair< First, Second > operator()(First const &, Second const &) const;
};