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fix: varname issues
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@MistEO
MistEO committed Jan 24, 2024
1 parent 06271ee commit 9a8faea
Showing 1 changed file with 106 additions and 93 deletions.
199 changes: 106 additions & 93 deletions include/json.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2775,6 +2775,14 @@ static constexpr string_t unescape_string(const string_t& str)
}
} // namespace json

namespace json::_jsonization_helper
{
struct next_is_optional
{};
}

namespace json::_private_macro
{
#define _MEOJSON_STRINGIZE(arg) _MEOJSON_STRINGIZE1(arg)
#define _MEOJSON_STRINGIZE1(arg) _MEOJSON_STRINGIZE2(arg)
#define _MEOJSON_STRINGIZE2(arg) #arg
Expand All @@ -2783,71 +2791,71 @@ static constexpr string_t unescape_string(const string_t& str)
#define _MEOJSON_CONCATENATE1(arg1, arg2) _MEOJSON_CONCATENATE2(arg1, arg2)
#define _MEOJSON_CONCATENATE2(arg1, arg2) arg1##arg2

#define _MEOJSON_FOR_EACH_0(what, ...)
#define _MEOJSON_FOR_EACH_1(what, x, ...) what(x)
#define _MEOJSON_FOR_EACH_2(what, x, ...) what(x) _MEOJSON_FOR_EACH_1(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_3(what, x, ...) what(x) _MEOJSON_FOR_EACH_2(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_4(what, x, ...) what(x) _MEOJSON_FOR_EACH_3(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_5(what, x, ...) what(x) _MEOJSON_FOR_EACH_4(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_6(what, x, ...) what(x) _MEOJSON_FOR_EACH_5(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_7(what, x, ...) what(x) _MEOJSON_FOR_EACH_6(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_8(what, x, ...) what(x) _MEOJSON_FOR_EACH_7(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_9(what, x, ...) what(x) _MEOJSON_FOR_EACH_8(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_10(what, x, ...) what(x) _MEOJSON_FOR_EACH_9(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_11(what, x, ...) what(x) _MEOJSON_FOR_EACH_10(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_12(what, x, ...) what(x) _MEOJSON_FOR_EACH_11(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_13(what, x, ...) what(x) _MEOJSON_FOR_EACH_12(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_14(what, x, ...) what(x) _MEOJSON_FOR_EACH_13(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_15(what, x, ...) what(x) _MEOJSON_FOR_EACH_14(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_16(what, x, ...) what(x) _MEOJSON_FOR_EACH_15(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_17(what, x, ...) what(x) _MEOJSON_FOR_EACH_16(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_18(what, x, ...) what(x) _MEOJSON_FOR_EACH_17(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_19(what, x, ...) what(x) _MEOJSON_FOR_EACH_18(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_20(what, x, ...) what(x) _MEOJSON_FOR_EACH_19(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_21(what, x, ...) what(x) _MEOJSON_FOR_EACH_20(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_22(what, x, ...) what(x) _MEOJSON_FOR_EACH_21(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_23(what, x, ...) what(x) _MEOJSON_FOR_EACH_22(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_24(what, x, ...) what(x) _MEOJSON_FOR_EACH_23(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_25(what, x, ...) what(x) _MEOJSON_FOR_EACH_24(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_26(what, x, ...) what(x) _MEOJSON_FOR_EACH_25(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_27(what, x, ...) what(x) _MEOJSON_FOR_EACH_26(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_28(what, x, ...) what(x) _MEOJSON_FOR_EACH_27(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_29(what, x, ...) what(x) _MEOJSON_FOR_EACH_28(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_30(what, x, ...) what(x) _MEOJSON_FOR_EACH_29(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_31(what, x, ...) what(x) _MEOJSON_FOR_EACH_30(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_32(what, x, ...) what(x) _MEOJSON_FOR_EACH_31(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_33(what, x, ...) what(x) _MEOJSON_FOR_EACH_32(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_34(what, x, ...) what(x) _MEOJSON_FOR_EACH_33(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_35(what, x, ...) what(x) _MEOJSON_FOR_EACH_34(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_36(what, x, ...) what(x) _MEOJSON_FOR_EACH_35(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_37(what, x, ...) what(x) _MEOJSON_FOR_EACH_36(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_38(what, x, ...) what(x) _MEOJSON_FOR_EACH_37(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_39(what, x, ...) what(x) _MEOJSON_FOR_EACH_38(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_40(what, x, ...) what(x) _MEOJSON_FOR_EACH_39(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_41(what, x, ...) what(x) _MEOJSON_FOR_EACH_40(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_42(what, x, ...) what(x) _MEOJSON_FOR_EACH_41(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_43(what, x, ...) what(x) _MEOJSON_FOR_EACH_42(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_44(what, x, ...) what(x) _MEOJSON_FOR_EACH_43(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_45(what, x, ...) what(x) _MEOJSON_FOR_EACH_44(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_46(what, x, ...) what(x) _MEOJSON_FOR_EACH_45(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_47(what, x, ...) what(x) _MEOJSON_FOR_EACH_46(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_48(what, x, ...) what(x) _MEOJSON_FOR_EACH_47(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_49(what, x, ...) what(x) _MEOJSON_FOR_EACH_48(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_50(what, x, ...) what(x) _MEOJSON_FOR_EACH_49(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_51(what, x, ...) what(x) _MEOJSON_FOR_EACH_50(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_52(what, x, ...) what(x) _MEOJSON_FOR_EACH_51(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_53(what, x, ...) what(x) _MEOJSON_FOR_EACH_52(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_54(what, x, ...) what(x) _MEOJSON_FOR_EACH_53(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_55(what, x, ...) what(x) _MEOJSON_FOR_EACH_54(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_56(what, x, ...) what(x) _MEOJSON_FOR_EACH_55(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_57(what, x, ...) what(x) _MEOJSON_FOR_EACH_56(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_58(what, x, ...) what(x) _MEOJSON_FOR_EACH_57(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_59(what, x, ...) what(x) _MEOJSON_FOR_EACH_58(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_60(what, x, ...) what(x) _MEOJSON_FOR_EACH_59(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_61(what, x, ...) what(x) _MEOJSON_FOR_EACH_60(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_62(what, x, ...) what(x) _MEOJSON_FOR_EACH_61(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_63(what, x, ...) what(x) _MEOJSON_FOR_EACH_62(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_64(what, x, ...) what(x) _MEOJSON_FOR_EACH_63(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_0(pred, ...)
#define _MEOJSON_FOR_EACH_1(pred, x, ...) pred(x)
#define _MEOJSON_FOR_EACH_2(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_1(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_3(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_2(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_4(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_3(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_5(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_4(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_6(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_5(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_7(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_6(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_8(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_7(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_9(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_8(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_10(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_9(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_11(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_10(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_12(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_11(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_13(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_12(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_14(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_13(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_15(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_14(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_16(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_15(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_17(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_16(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_18(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_17(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_19(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_18(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_20(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_19(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_21(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_20(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_22(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_21(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_23(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_22(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_24(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_23(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_25(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_24(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_26(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_25(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_27(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_26(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_28(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_27(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_29(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_28(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_30(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_29(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_31(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_30(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_32(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_31(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_33(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_32(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_34(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_33(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_35(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_34(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_36(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_35(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_37(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_36(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_38(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_37(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_39(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_38(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_40(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_39(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_41(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_40(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_42(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_41(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_43(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_42(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_44(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_43(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_45(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_44(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_46(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_45(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_47(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_46(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_48(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_47(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_49(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_48(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_50(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_49(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_51(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_50(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_52(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_51(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_53(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_52(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_54(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_53(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_55(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_54(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_56(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_55(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_57(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_56(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_58(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_57(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_59(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_58(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_60(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_59(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_61(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_60(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_62(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_61(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_63(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_62(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_64(pred, x, ...) pred(x) _MEOJSON_FOR_EACH_63(pred, __VA_ARGS__)

#define _MEOJSON_ARG_COUNT(...) \
_MEOJSON_ARG_COUNT1(0, ##__VA_ARGS__, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, \
Expand All @@ -2859,48 +2867,53 @@ static constexpr string_t unescape_string(const string_t& str)
_56, _57, _58, _59, _60, _61, _62, _63, _64, N, ...) \
N

#define _MEOJSON_FOR_EACH_(N, what, ...) _MEOJSON_CONCATENATE(_MEOJSON_FOR_EACH_, N)(what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH(what, ...) _MEOJSON_FOR_EACH_(_MEOJSON_ARG_COUNT(__VA_ARGS__), what, __VA_ARGS__)
#define _MEOJSON_FOR_EACH_(N, pred, ...) _MEOJSON_CONCATENATE(_MEOJSON_FOR_EACH_, N)(pred, __VA_ARGS__)
#define _MEOJSON_FOR_EACH(pred, ...) _MEOJSON_FOR_EACH_(_MEOJSON_ARG_COUNT(__VA_ARGS__), pred, __VA_ARGS__)

#define _MEOJSON_VARNAME(x) _MEOJSON_CONCATENATE(_meojson_jsonization_, x)

#define _MEOJSON_DUMP_ARG(x) \
if constexpr (!std::is_same_v<std::decay_t<decltype(x)>, json::_jsonization_helper::next_is_optional>) { \
result.emplace(_MEOJSON_STRINGIZE(x), json::serialize<false>(x)); \
_MEOJSON_VARNAME(result).emplace(_MEOJSON_STRINGIZE(x), json::serialize<false>(x)); \
}

#define _MEOJSON_LOAD_ARG(x) \
if constexpr (std::is_same_v<std::decay_t<decltype(x)>, json::_jsonization_helper::next_is_optional>) { \
next_is_optional = true; \
_MEOJSON_VARNAME(next_is_optional) = true; \
} \
else if (auto opt = raw.find(_MEOJSON_STRINGIZE(x))) { \
if (!opt->is<decltype(x)>()) { \
else if (auto _MEOJSON_VARNAME(opt) = _MEOJSON_VARNAME(input).find(_MEOJSON_STRINGIZE(x))) { \
if (!_MEOJSON_VARNAME(opt)->is<decltype(x)>()) { \
_MEOJSON_VARNAME(error_key) = _MEOJSON_STRINGIZE(x); \
return false; \
} \
x = std::move(opt)->as<decltype(x)>(); \
next_is_optional = false; \
x = std::move(_MEOJSON_VARNAME(opt))->as<decltype(x)>(); \
_MEOJSON_VARNAME(next_is_optional) = false; \
} \
else if (!next_is_optional) { \
else if (!_MEOJSON_VARNAME(next_is_optional)) { \
_MEOJSON_VARNAME(error_key) = _MEOJSON_STRINGIZE(x); \
return false; \
}

namespace json::_jsonization_helper
{
struct next_is_optional
{};
}

#define MEO_OPTIONAL json::_jsonization_helper::next_is_optional(),
} // namespace json::_private_macro

// if you are using MSVC, please add "/Zc:preprocessor" to your project
#define MEO_JSONIZATION(...) \
json::object dump_to_json() const \
{ \
json::object result; \
_MEOJSON_FOR_EACH(_MEOJSON_DUMP_ARG, __VA_ARGS__) \
return result; \
} \
bool load_from_json(const json::object& raw) \
{ \
[[maybe_unused]] bool next_is_optional = false; \
_MEOJSON_FOR_EACH(_MEOJSON_LOAD_ARG, __VA_ARGS__) \
return true; \
#define MEO_JSONIZATION(...) \
json::object dump_to_json() const \
{ \
json::object _MEOJSON_VARNAME(result); \
_MEOJSON_FOR_EACH(_MEOJSON_DUMP_ARG, __VA_ARGS__) \
return _MEOJSON_VARNAME(result); \
} \
bool load_from_json(const json::object& _MEOJSON_VARNAME(input)) \
{ \
[[maybe_unused]] std::string _MEOJSON_VARNAME(error_key); \
return load_from_json(_MEOJSON_VARNAME(input), _MEOJSON_VARNAME(error_key)); \
} \
bool load_from_json(const json::object& _MEOJSON_VARNAME(input), std::string& _MEOJSON_VARNAME(error_key)) \
{ \
[[maybe_unused]] bool _MEOJSON_VARNAME(next_is_optional) = false; \
_MEOJSON_FOR_EACH(_MEOJSON_LOAD_ARG, __VA_ARGS__) \
return true; \
}

#define MEO_OPTIONAL json::_jsonization_helper::next_is_optional(),

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