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## Struct insert

boost::xpressive::op::insert

## Synopsis

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

    struct insert {
      // member classes/structs/unions
      template<typename Sig, typename EnableIf = void>
      struct result {
      };
      template<typename This, typename Cont, typename It>
      struct result<This(Cont, It, It), void> {
        // types
        typedef void 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;
      };
      template<typename This, typename Cont, typename It, typename Value>
      struct result<This(Cont, It, Value), typename disable_if< mpl::or_< is_integral< UNCVREF(It)>, is_same< UNCVREF(It), UNCVREF(Value)> > >::type> {
      };
      template<typename This, typename Cont, typename Size, typename A0,
               typename A1>
      struct result<This(Cont, Size, A0, A1), typename enable_if< is_integral< UNCVREF(Size)> >::type> {

        // public member functions
        typedef UNREF(Cont) ;
      };
      template<typename This, typename Cont, typename Size, typename T>
      struct result<This(Cont, Size, T), typename enable_if< is_integral< UNCVREF(Size)> >::type> {

        // public member functions
        typedef UNREF(Cont) ;
      };
      template<typename This, typename Cont, typename Value>
      struct result<This(Cont, Value), void> {
        // types
        typedef char                                                                                                          yes_type;
        typedef char(&                                                                                                        no_type;
        typedef mpl::if_c< is_iterator, typename cont_type::iterator, std::pair< typename cont_type::iterator, bool > >::type type;

        // public member functions
        typedef UNREF(Cont) ;
        typedef UNREF(Value) ;
         BOOST_STATIC_CONSTANT(bool,
                               is_iterator = (sizeof(yes_type)==sizeof(check_insert_return(scont_.insert(svalue_))))) ;

        // public static functions
        static yes_type check_insert_return(typename cont_type::iterator) ;
        static no_type
        check_insert_return(std::pair< typename cont_type::iterator, bool >) ;
        static cont_type & scont_;
        static value_type & svalue_;
      };
    };

## Description