480 struct expression<tag, Arg1, void, void, void>  struct
482    typedef mpl::int_<1>                    arity;
483    typedef typename arg_type<Arg1>::type   left_type;
484    typedef typename left_type::result_type left_result_type;
485    typedef typename left_type::result_type result_type;
486    typedef tag                             tag_type;
488    explicit BOOST_MP_CXX14_CONSTEXPR expression(const Arg1& a) : arg(a) {}  in expression()  function
489    BOOST_MP_CXX14_CONSTEXPR expression(const expression& e) : arg(e.arg) {}  in expression()  argument
497    BOOST_MP_CXX14_CONSTEXPR expression& operator=(const Other&)  in operator =()
503    BOOST_MP_CXX14_CONSTEXPR expression& operator++()  in operator ++()
509    BOOST_MP_CXX14_CONSTEXPR expression& operator++(int)  in operator ++()
515    BOOST_MP_CXX14_CONSTEXPR expression& operator--()  in operator --()
521    BOOST_MP_CXX14_CONSTEXPR expression& operator--(int)  in operator --()
528    BOOST_MP_CXX14_CONSTEXPR expression& operator+=(const Other&)  in operator +=()
535    BOOST_MP_CXX14_CONSTEXPR expression& operator-=(const Other&)  in operator -=()
542    BOOST_MP_CXX14_CONSTEXPR expression& operator*=(const Other&)  in operator *=()
549    BOOST_MP_CXX14_CONSTEXPR expression& operator/=(const Other&)  in operator /=()
556    BOOST_MP_CXX14_CONSTEXPR expression& operator%=(const Other&)  in operator %=()
563    BOOST_MP_CXX14_CONSTEXPR expression& operator|=(const Other&)  in operator |=()
570    BOOST_MP_CXX14_CONSTEXPR expression& operator&=(const Other&)  in operator &=()
577    BOOST_MP_CXX14_CONSTEXPR expression& operator^=(const Other&)  in operator ^=()
584    BOOST_MP_CXX14_CONSTEXPR expression& operator<<=(const Other&)  in operator <<=()
591    BOOST_MP_CXX14_CONSTEXPR expression& operator>>=(const Other&)  in operator >>=()
599    BOOST_MP_CXX14_CONSTEXPR left_type left() const  in left()
604    BOOST_MP_CXX14_CONSTEXPR const Arg1& left_ref() const BOOST_NOEXCEPT { return arg; }  in left_ref()
606    static const unsigned depth = left_type::depth + 1;
615    explicit operator T() const  in operator T()
621    explicit operator T() const  in operator T()
632    explicit BOOST_MP_CXX14_CONSTEXPR operator T() const  in operator T()
636    BOOST_MP_FORCEINLINE explicit BOOST_MP_CXX14_CONSTEXPR operator bool() const  in operator bool()
642    BOOST_MP_FORCEINLINE explicit operator void() const  in operator void()
647    operator unmentionable_type() const  in operator unmentionable_type()
655    BOOST_MP_CXX14_CONSTEXPR T convert_to()  in convert_to()
662    typename expression_storage<Arg1>::type arg;
667 struct expression<terminal, Arg1, void, void, void>  struct
669    typedef mpl::int_<0> arity;
670    typedef Arg1         result_type;
671    typedef terminal     tag_type;
673    explicit BOOST_MP_CXX14_CONSTEXPR expression(const Arg1& a) : arg(a) {}  in expression()  function
674    BOOST_MP_CXX14_CONSTEXPR expression(const expression& e) : arg(e.arg) {}  in expression()  function
682    BOOST_MP_CXX14_CONSTEXPR expression& operator=(const Other&)  in operator =()
688    BOOST_MP_CXX14_CONSTEXPR expression& operator++()  in operator ++()
694    BOOST_MP_CXX14_CONSTEXPR expression& operator++(int)  in operator ++()
700    BOOST_MP_CXX14_CONSTEXPR expression& operator--()  in operator --()
706    BOOST_MP_CXX14_CONSTEXPR expression& operator--(int)  in operator --()
713    BOOST_MP_CXX14_CONSTEXPR expression& operator+=(const Other&)  in operator +=()
720    BOOST_MP_CXX14_CONSTEXPR expression& operator-=(const Other&)  in operator -=()
727    BOOST_MP_CXX14_CONSTEXPR expression& operator*=(const Other&)  in operator *=()
734    BOOST_MP_CXX14_CONSTEXPR expression& operator/=(const Other&)  in operator /=()
741    BOOST_MP_CXX14_CONSTEXPR expression& operator%=(const Other&)  in operator %=()
748    BOOST_MP_CXX14_CONSTEXPR expression& operator|=(const Other&)  in operator |=()
755    BOOST_MP_CXX14_CONSTEXPR expression& operator&=(const Other&)  in operator &=()
762    BOOST_MP_CXX14_CONSTEXPR expression& operator^=(const Other&)  in operator ^=()
769    BOOST_MP_CXX14_CONSTEXPR expression& operator<<=(const Other&)  in operator <<=()
776    BOOST_MP_CXX14_CONSTEXPR expression& operator>>=(const Other&)  in operator >>=()
784    BOOST_MP_CXX14_CONSTEXPR const Arg1& value() const BOOST_NOEXCEPT  in value()
789    static const unsigned depth = 0;
799    explicit operator T() const  in operator T()
805    explicit operator T() const  in operator T()
816    explicit BOOST_MP_CXX14_CONSTEXPR operator T() const  in operator T()
820    BOOST_MP_FORCEINLINE explicit BOOST_MP_CXX14_CONSTEXPR operator bool() const  in operator bool()
826    BOOST_MP_FORCEINLINE explicit operator void() const  in operator void()
831    operator unmentionable_type() const  in operator unmentionable_type()
838    BOOST_MP_CXX14_CONSTEXPR T convert_to()  in convert_to()
845    typename expression_storage<Arg1>::type arg;
850 struct expression<tag, Arg1, Arg2, void, void>  struct
852    typedef mpl::int_<2>                                                           arity;
853    typedef typename arg_type<Arg1>::type                                          left_type;
854    typedef typename arg_type<Arg2>::type                                          right_type;
855    typedef typename left_type::result_type                                        left_result_type;
856    typedef typename right_type::result_type                                       right_result_type;
857    typedef typename combine_expression<left_result_type, right_result_type>::type result_type;
858    typedef tag                                                                    tag_type;
860    BOOST_MP_CXX14_CONSTEXPR expression(const Arg1& a1, const Arg2& a2) : arg1(a1), arg2(a2) {}  in expression()  argument
861    BOOST_MP_CXX14_CONSTEXPR expression(const expression& e) : arg1(e.arg1), arg2(e.arg2) {}  in expression()  argument
869    BOOST_MP_CXX14_CONSTEXPR expression& operator=(const Other&)  in operator =()
875    BOOST_MP_CXX14_CONSTEXPR expression& operator++()  in operator ++()
881    BOOST_MP_CXX14_CONSTEXPR expression& operator++(int)  in operator ++()
887    BOOST_MP_CXX14_CONSTEXPR expression& operator--()  in operator --()
893    BOOST_MP_CXX14_CONSTEXPR expression& operator--(int)  in operator --()
900    BOOST_MP_CXX14_CONSTEXPR expression& operator+=(const Other&)  in operator +=()
907    BOOST_MP_CXX14_CONSTEXPR expression& operator-=(const Other&)  in operator -=()
914    BOOST_MP_CXX14_CONSTEXPR expression& operator*=(const Other&)  in operator *=()
921    BOOST_MP_CXX14_CONSTEXPR expression& operator/=(const Other&)  in operator /=()
928    BOOST_MP_CXX14_CONSTEXPR expression& operator%=(const Other&)  in operator %=()
935    BOOST_MP_CXX14_CONSTEXPR expression& operator|=(const Other&)  in operator |=()
942    BOOST_MP_CXX14_CONSTEXPR expression& operator&=(const Other&)  in operator &=()
949    BOOST_MP_CXX14_CONSTEXPR expression& operator^=(const Other&)  in operator ^=()
956    BOOST_MP_CXX14_CONSTEXPR expression& operator<<=(const Other&)  in operator <<=()
963    BOOST_MP_CXX14_CONSTEXPR expression& operator>>=(const Other&)  in operator >>=()
971    BOOST_MP_CXX14_CONSTEXPR left_type left() const  in left()
975    BOOST_MP_CXX14_CONSTEXPR right_type  right() const { return right_type(arg2); }  in right()
976    BOOST_MP_CXX14_CONSTEXPR const Arg1& left_ref() const BOOST_NOEXCEPT { return arg1; }  in left_ref()
977    BOOST_MP_CXX14_CONSTEXPR const Arg2& right_ref() const BOOST_NOEXCEPT { return arg2; }  in right_ref()
987    explicit operator T() const  in operator T()
993    explicit operator T() const  in operator T()
1004    explicit BOOST_MP_CXX14_CONSTEXPR operator T() const  in operator T()
1008    BOOST_MP_FORCEINLINE explicit BOOST_MP_CXX14_CONSTEXPR operator bool() const  in operator bool()
1014    BOOST_MP_FORCEINLINE explicit operator void() const  in operator void()
1019    operator unmentionable_type() const  in operator unmentionable_type()
1026    BOOST_MP_CXX14_CONSTEXPR T convert_to()  in convert_to()
1032    static const BOOST_MP_CXX14_CONSTEXPR unsigned left_depth  = left_type::depth + 1;
1033    static const BOOST_MP_CXX14_CONSTEXPR unsigned right_depth = right_type::depth + 1;
1034 …OOST_MP_CXX14_CONSTEXPR unsigned depth       = left_depth > right_depth ? left_depth : right_depth;
1037    typename expression_storage<Arg1>::type arg1;
1038    typename expression_storage<Arg2>::type arg2;
1043 struct expression<tag, Arg1, Arg2, Arg3, void>  struct
1045    typedef mpl::int_<3>                      arity;
1046    typedef typename arg_type<Arg1>::type     left_type;
1047    typedef typename arg_type<Arg2>::type     middle_type;
1048    typedef typename arg_type<Arg3>::type     right_type;
1049    typedef typename left_type::result_type   left_result_type;
1050    typedef typename middle_type::result_type middle_result_type;
1051    typedef typename right_type::result_type  right_result_type;
1054        typename combine_expression<right_result_type, middle_result_type>::type>::type result_type;
1055    typedef tag                                                                         tag_type;
1057 …BOOST_MP_CXX14_CONSTEXPR expression(const Arg1& a1, const Arg2& a2, const Arg3& a3) : arg1(a1), ar…  in expression()  argument
1058 …BOOST_MP_CXX14_CONSTEXPR expression(const expression& e) : arg1(e.arg1), arg2(e.arg2), arg3(e.arg3…  in expression()  function
1066    BOOST_MP_CXX14_CONSTEXPR expression& operator=(const Other&)  in operator =()
1072    BOOST_MP_CXX14_CONSTEXPR expression& operator++()  in operator ++()
1078    BOOST_MP_CXX14_CONSTEXPR expression& operator++(int)  in operator ++()
1084    BOOST_MP_CXX14_CONSTEXPR expression& operator--()  in operator --()
1090    BOOST_MP_CXX14_CONSTEXPR expression& operator--(int)  in operator --()
1097    BOOST_MP_CXX14_CONSTEXPR expression& operator+=(const Other&)  in operator +=()
1104    BOOST_MP_CXX14_CONSTEXPR expression& operator-=(const Other&)  in operator -=()
1111    BOOST_MP_CXX14_CONSTEXPR expression& operator*=(const Other&)  in operator *=()
1118    BOOST_MP_CXX14_CONSTEXPR expression& operator/=(const Other&)  in operator /=()
1125    BOOST_MP_CXX14_CONSTEXPR expression& operator%=(const Other&)  in operator %=()
1132    BOOST_MP_CXX14_CONSTEXPR expression& operator|=(const Other&)  in operator |=()
1139    BOOST_MP_CXX14_CONSTEXPR expression& operator&=(const Other&)  in operator &=()
1146    BOOST_MP_CXX14_CONSTEXPR expression& operator^=(const Other&)  in operator ^=()
1153    BOOST_MP_CXX14_CONSTEXPR expression& operator<<=(const Other&)  in operator <<=()
1160    BOOST_MP_CXX14_CONSTEXPR expression& operator>>=(const Other&)  in operator >>=()
1168    BOOST_MP_CXX14_CONSTEXPR left_type left() const  in left()
1172    BOOST_MP_CXX14_CONSTEXPR middle_type middle() const { return middle_type(arg2); }  in middle()
1173    BOOST_MP_CXX14_CONSTEXPR right_type  right() const { return right_type(arg3); }  in right()
1174    BOOST_MP_CXX14_CONSTEXPR const Arg1& left_ref() const BOOST_NOEXCEPT { return arg1; }  in left_ref()
1175    BOOST_MP_CXX14_CONSTEXPR const Arg2& middle_ref() const BOOST_NOEXCEPT { return arg2; }  in middle_ref()
1176    BOOST_MP_CXX14_CONSTEXPR const Arg3& right_ref() const BOOST_NOEXCEPT { return arg3; }  in right_ref()
1186    explicit operator T() const  in operator T()
1192    explicit operator T() const  in operator T()
1203    explicit BOOST_MP_CXX14_CONSTEXPR operator T() const  in operator T()
1207    BOOST_MP_FORCEINLINE explicit BOOST_MP_CXX14_CONSTEXPR operator bool() const  in operator bool()
1213    BOOST_MP_FORCEINLINE explicit operator void() const  in operator void()
1218    operator unmentionable_type() const  in operator unmentionable_type()
1225    BOOST_MP_CXX14_CONSTEXPR T convert_to()  in convert_to()
1231    static const unsigned left_depth   = left_type::depth + 1;
1232    static const unsigned middle_depth = middle_type::depth + 1;
1233    static const unsigned right_depth  = right_type::depth + 1;
1234 …dle_depth ? left_depth : middle_depth) : (right_depth > middle_depth ? right_depth : middle_depth);
1237    typename expression_storage<Arg1>::type arg1;
1238    typename expression_storage<Arg2>::type arg2;
1239    typename expression_storage<Arg3>::type arg3;
1244 struct expression  struct
1246    typedef mpl::int_<4>                            arity;
1247    typedef typename arg_type<Arg1>::type           left_type;
1248    typedef typename arg_type<Arg2>::type           left_middle_type;
1249    typedef typename arg_type<Arg3>::type           right_middle_type;
1250    typedef typename arg_type<Arg4>::type           right_type;
1251    typedef typename left_type::result_type         left_result_type;
1252    typedef typename left_middle_type::result_type  left_middle_result_type;
1253    typedef typename right_middle_type::result_type right_middle_result_type;
1254    typedef typename right_type::result_type        right_result_type;
1259 …me combine_expression<right_middle_result_type, right_result_type>::type>::type>::type result_type;
1260 …                                                                                          tag_type;
1262 …_CXX14_CONSTEXPR expression(const Arg1& a1, const Arg2& a2, const Arg3& a3, const Arg4& a4) : arg1…  in expression()  function
1263 …BOOST_MP_CXX14_CONSTEXPR expression(const expression& e) : arg1(e.arg1), arg2(e.arg2), arg3(e.arg3…  in expression()  function
1271    BOOST_MP_CXX14_CONSTEXPR expression& operator=(const Other&)  in operator =()
1277    BOOST_MP_CXX14_CONSTEXPR expression& operator++()  in operator ++()
1283    BOOST_MP_CXX14_CONSTEXPR expression& operator++(int)  in operator ++()
1289    BOOST_MP_CXX14_CONSTEXPR expression& operator--()  in operator --()
1295    BOOST_MP_CXX14_CONSTEXPR expression& operator--(int)  in operator --()
1302    BOOST_MP_CXX14_CONSTEXPR expression& operator+=(const Other&)  in operator +=()
1309    BOOST_MP_CXX14_CONSTEXPR expression& operator-=(const Other&)  in operator -=()
1316    BOOST_MP_CXX14_CONSTEXPR expression& operator*=(const Other&)  in operator *=()
1323    BOOST_MP_CXX14_CONSTEXPR expression& operator/=(const Other&)  in operator /=()
1330    BOOST_MP_CXX14_CONSTEXPR expression& operator%=(const Other&)  in operator %=()
1337    BOOST_MP_CXX14_CONSTEXPR expression& operator|=(const Other&)  in operator |=()
1344    BOOST_MP_CXX14_CONSTEXPR expression& operator&=(const Other&)  in operator &=()
1351    BOOST_MP_CXX14_CONSTEXPR expression& operator^=(const Other&)  in operator ^=()
1358    BOOST_MP_CXX14_CONSTEXPR expression& operator<<=(const Other&)  in operator <<=()
1365    BOOST_MP_CXX14_CONSTEXPR expression& operator>>=(const Other&)  in operator >>=()
1373    BOOST_MP_CXX14_CONSTEXPR left_type left() const  in left()
1377    BOOST_MP_CXX14_CONSTEXPR left_middle_type  left_middle() const { return left_middle_type(arg2); }  in left_middle()
1378 …BOOST_MP_CXX14_CONSTEXPR right_middle_type right_middle() const { return right_middle_type(arg3); }  in right_middle()
1379    BOOST_MP_CXX14_CONSTEXPR right_type        right() const { return right_type(arg4); }  in right()
1380    BOOST_MP_CXX14_CONSTEXPR const Arg1&       left_ref() const BOOST_NOEXCEPT { return arg1; }  in left_ref()
1381 … BOOST_MP_CXX14_CONSTEXPR const Arg2&       left_middle_ref() const BOOST_NOEXCEPT { return arg2; }  in left_middle_ref()
1382 …BOOST_MP_CXX14_CONSTEXPR const Arg3&       right_middle_ref() const BOOST_NOEXCEPT { return arg3; }  in right_middle_ref()
1383    BOOST_MP_CXX14_CONSTEXPR const Arg4&       right_ref() const BOOST_NOEXCEPT { return arg4; }  in right_ref()
1393    explicit operator T() const  in operator T()
1399    explicit operator T() const  in operator T()
1410    explicit BOOST_MP_CXX14_CONSTEXPR operator T() const  in operator T()
1414    BOOST_MP_FORCEINLINE explicit BOOST_MP_CXX14_CONSTEXPR operator bool() const  in operator bool()
1420    BOOST_MP_FORCEINLINE explicit operator void() const  in operator void()
1425    operator unmentionable_type() const  in operator unmentionable_type()
1432    BOOST_MP_CXX14_CONSTEXPR T convert_to()  in convert_to()
1438    static const unsigned left_depth         = left_type::depth + 1;
1439    static const unsigned left_middle_depth  = left_middle_type::depth + 1;
1440    static const unsigned right_middle_depth = right_middle_type::depth + 1;
1441    static const unsigned right_depth        = right_type::depth + 1;
1443 …c const unsigned left_max_depth  = left_depth > left_middle_depth ? left_depth : left_middle_depth;
1444 …nst unsigned right_max_depth = right_depth > right_middle_depth ? right_depth : right_middle_depth;
1446 … static const unsigned depth = left_max_depth > right_max_depth ? left_max_depth : right_max_depth;
1449    typename expression_storage<Arg1>::type arg1;
1450    typename expression_storage<Arg2>::type arg2;
1451    typename expression_storage<Arg3>::type arg3;
1452    typename expression_storage<Arg4>::type arg4;