// __ __ _ ______ _____ // | \/ | (_) | ____| / ____|_ _ // | \ / | __ _ __ _ _ ___ | |__ _ __ _ _ _ __ ___ | | _| |_ _| |_ // | |\/| |/ _` |/ _` | |/ __| | __| | '_ \| | | | '_ ` _ \ | | |_ _|_ _| // | | | | (_| | (_| | | (__ | |____| | | | |_| | | | | | | | |____|_| |_| // |_| |_|\__,_|\__, |_|\___| |______|_| |_|\__,_|_| |_| |_| \_____| // __/ | https://github.com/Neargye/magic_enum // |___/ version 0.9.5 // // Licensed under the MIT License . // SPDX-License-Identifier: MIT // Copyright (c) 2019 - 2024 Daniil Goncharov . // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. #ifndef NEARGYE_MAGIC_ENUM_HPP #define NEARGYE_MAGIC_ENUM_HPP #define MAGIC_ENUM_VERSION_MAJOR 0 #define MAGIC_ENUM_VERSION_MINOR 9 #define MAGIC_ENUM_VERSION_PATCH 5 #include #include #include #include #include #include #include #if defined(MAGIC_ENUM_CONFIG_FILE) # include MAGIC_ENUM_CONFIG_FILE #endif #if !defined(MAGIC_ENUM_USING_ALIAS_OPTIONAL) # include #endif #if !defined(MAGIC_ENUM_USING_ALIAS_STRING) # include #endif #if !defined(MAGIC_ENUM_USING_ALIAS_STRING_VIEW) # include #endif #if defined(MAGIC_ENUM_NO_ASSERT) # define MAGIC_ENUM_ASSERT(...) static_cast(0) #elif !defined(MAGIC_ENUM_ASSERT) # include # define MAGIC_ENUM_ASSERT(...) assert((__VA_ARGS__)) #endif #if defined(__clang__) # pragma clang diagnostic push # pragma clang diagnostic ignored "-Wunknown-warning-option" # pragma clang diagnostic ignored "-Wenum-constexpr-conversion" # pragma clang diagnostic ignored "-Wuseless-cast" // suppresses 'static_cast('\0')' for char_type = char (common on Linux). #elif defined(__GNUC__) # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wmaybe-uninitialized" // May be used uninitialized 'return {};'. # pragma GCC diagnostic ignored "-Wuseless-cast" // suppresses 'static_cast('\0')' for char_type = char (common on Linux). #elif defined(_MSC_VER) # pragma warning(push) # pragma warning(disable : 26495) // Variable 'static_str::chars_' is uninitialized. # pragma warning(disable : 28020) // Arithmetic overflow: Using operator '-' on a 4 byte value and then casting the result to a 8 byte value. # pragma warning(disable : 26451) // The expression '0<=_Param_(1)&&_Param_(1)<=1-1' is not true at this call. # pragma warning(disable : 4514) // Unreferenced inline function has been removed. #endif // Checks magic_enum compiler compatibility. #if defined(__clang__) && __clang_major__ >= 5 || defined(__GNUC__) && __GNUC__ >= 9 || defined(_MSC_VER) && _MSC_VER >= 1910 || defined(__RESHARPER__) # undef MAGIC_ENUM_SUPPORTED # define MAGIC_ENUM_SUPPORTED 1 #endif // Checks magic_enum compiler aliases compatibility. #if defined(__clang__) && __clang_major__ >= 5 || defined(__GNUC__) && __GNUC__ >= 9 || defined(_MSC_VER) && _MSC_VER >= 1920 # undef MAGIC_ENUM_SUPPORTED_ALIASES # define MAGIC_ENUM_SUPPORTED_ALIASES 1 #endif // Enum value must be greater or equals than MAGIC_ENUM_RANGE_MIN. By default MAGIC_ENUM_RANGE_MIN = -128. // If need another min range for all enum types by default, redefine the macro MAGIC_ENUM_RANGE_MIN. #if !defined(MAGIC_ENUM_RANGE_MIN) # define MAGIC_ENUM_RANGE_MIN -128 #endif // Enum value must be less or equals than MAGIC_ENUM_RANGE_MAX. By default MAGIC_ENUM_RANGE_MAX = 128. // If need another max range for all enum types by default, redefine the macro MAGIC_ENUM_RANGE_MAX. #if !defined(MAGIC_ENUM_RANGE_MAX) # define MAGIC_ENUM_RANGE_MAX 127 #endif // Improve ReSharper C++ intellisense performance with builtins, avoiding unnecessary template instantiations. #if defined(__RESHARPER__) # undef MAGIC_ENUM_GET_ENUM_NAME_BUILTIN # undef MAGIC_ENUM_GET_TYPE_NAME_BUILTIN # if __RESHARPER__ >= 20230100 # define MAGIC_ENUM_GET_ENUM_NAME_BUILTIN(V) __rscpp_enumerator_name(V) # define MAGIC_ENUM_GET_TYPE_NAME_BUILTIN(T) __rscpp_type_name() # else # define MAGIC_ENUM_GET_ENUM_NAME_BUILTIN(V) nullptr # define MAGIC_ENUM_GET_TYPE_NAME_BUILTIN(T) nullptr # endif #endif namespace magic_enum { // If need another optional type, define the macro MAGIC_ENUM_USING_ALIAS_OPTIONAL. #if defined(MAGIC_ENUM_USING_ALIAS_OPTIONAL) MAGIC_ENUM_USING_ALIAS_OPTIONAL #else using std::optional; #endif // If need another string_view type, define the macro MAGIC_ENUM_USING_ALIAS_STRING_VIEW. #if defined(MAGIC_ENUM_USING_ALIAS_STRING_VIEW) MAGIC_ENUM_USING_ALIAS_STRING_VIEW #else using std::string_view; #endif // If need another string type, define the macro MAGIC_ENUM_USING_ALIAS_STRING. #if defined(MAGIC_ENUM_USING_ALIAS_STRING) MAGIC_ENUM_USING_ALIAS_STRING #else using std::string; #endif using char_type = string_view::value_type; static_assert(std::is_same_v, "magic_enum::customize requires same string_view::value_type and string::value_type"); static_assert([] { if constexpr (std::is_same_v) { constexpr const char c[] = "abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789|"; constexpr const wchar_t wc[] = L"abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789|"; static_assert(std::size(c) == std::size(wc), "magic_enum::customize identifier characters are multichars in wchar_t."); for (std::size_t i = 0; i < std::size(c); ++i) { if (c[i] != wc[i]) { return false; } } } return true; } (), "magic_enum::customize wchar_t is not compatible with ASCII."); namespace customize { // Enum value must be in range [MAGIC_ENUM_RANGE_MIN, MAGIC_ENUM_RANGE_MAX]. By default MAGIC_ENUM_RANGE_MIN = -128, MAGIC_ENUM_RANGE_MAX = 128. // If need another range for all enum types by default, redefine the macro MAGIC_ENUM_RANGE_MIN and MAGIC_ENUM_RANGE_MAX. // If need another range for specific enum type, add specialization enum_range for necessary enum type. template struct enum_range { static constexpr int min = MAGIC_ENUM_RANGE_MIN; static constexpr int max = MAGIC_ENUM_RANGE_MAX; }; static_assert(MAGIC_ENUM_RANGE_MAX > MAGIC_ENUM_RANGE_MIN, "MAGIC_ENUM_RANGE_MAX must be greater than MAGIC_ENUM_RANGE_MIN."); namespace detail { enum class customize_tag { default_tag, invalid_tag, custom_tag }; } // namespace magic_enum::customize::detail class customize_t : public std::pair { public: constexpr customize_t(string_view srt) : std::pair{detail::customize_tag::custom_tag, srt} {} constexpr customize_t(const char_type* srt) : customize_t{string_view{srt}} {} constexpr customize_t(detail::customize_tag tag) : std::pair{tag, string_view{}} { MAGIC_ENUM_ASSERT(tag != detail::customize_tag::custom_tag); } }; // Default customize. inline constexpr auto default_tag = customize_t{detail::customize_tag::default_tag}; // Invalid customize. inline constexpr auto invalid_tag = customize_t{detail::customize_tag::invalid_tag}; // If need custom names for enum, add specialization enum_name for necessary enum type. template constexpr customize_t enum_name(E) noexcept { return default_tag; } // If need custom type name for enum, add specialization enum_type_name for necessary enum type. template constexpr customize_t enum_type_name() noexcept { return default_tag; } } // namespace magic_enum::customize namespace detail { template struct supported #if defined(MAGIC_ENUM_SUPPORTED) && MAGIC_ENUM_SUPPORTED || defined(MAGIC_ENUM_NO_CHECK_SUPPORT) : std::true_type {}; #else : std::false_type {}; #endif template , std::enable_if_t, int> = 0> using enum_constant = std::integral_constant; template inline constexpr bool always_false_v = false; template struct has_is_flags : std::false_type {}; template struct has_is_flags::is_flags)>> : std::bool_constant::is_flags)>>> {}; template struct range_min : std::integral_constant {}; template struct range_min::min)>> : std::integral_constant::min), customize::enum_range::min> {}; template struct range_max : std::integral_constant {}; template struct range_max::max)>> : std::integral_constant::max), customize::enum_range::max> {}; struct str_view { const char* str_ = nullptr; std::size_t size_ = 0; }; template class static_str { public: constexpr explicit static_str(str_view str) noexcept : static_str{str.str_, std::make_integer_sequence{}} { MAGIC_ENUM_ASSERT(str.size_ == N); } constexpr explicit static_str(string_view str) noexcept : static_str{str.data(), std::make_integer_sequence{}} { MAGIC_ENUM_ASSERT(str.size() == N); } constexpr const char_type* data() const noexcept { return chars_; } constexpr std::uint16_t size() const noexcept { return N; } constexpr operator string_view() const noexcept { return {data(), size()}; } private: template constexpr static_str(const char* str, std::integer_sequence) noexcept : chars_{static_cast(str[I])..., static_cast('\0')} {} template constexpr static_str(string_view str, std::integer_sequence) noexcept : chars_{str[I]..., static_cast('\0')} {} char_type chars_[static_cast(N) + 1]; }; template <> class static_str<0> { public: constexpr explicit static_str() = default; constexpr explicit static_str(str_view) noexcept {} constexpr explicit static_str(string_view) noexcept {} constexpr const char_type* data() const noexcept { return nullptr; } constexpr std::uint16_t size() const noexcept { return 0; } constexpr operator string_view() const noexcept { return {}; } }; template > class case_insensitive { static constexpr char_type to_lower(char_type c) noexcept { return (c >= static_cast('A') && c <= static_cast('Z')) ? static_cast(c + (static_cast('a') - static_cast('A'))) : c; } public: template constexpr auto operator()(L lhs, R rhs) const noexcept -> std::enable_if_t, char_type> && std::is_same_v, char_type>, bool> { return Op{}(to_lower(lhs), to_lower(rhs)); } }; constexpr std::size_t find(string_view str, char_type c) noexcept { #if defined(__clang__) && __clang_major__ < 9 && defined(__GLIBCXX__) || defined(_MSC_VER) && _MSC_VER < 1920 && !defined(__clang__) // https://stackoverflow.com/questions/56484834/constexpr-stdstring-viewfind-last-of-doesnt-work-on-clang-8-with-libstdc // https://developercommunity.visualstudio.com/content/problem/360432/vs20178-regression-c-failed-in-test.html constexpr bool workaround = true; #else constexpr bool workaround = false; #endif if constexpr (workaround) { for (std::size_t i = 0; i < str.size(); ++i) { if (str[i] == c) { return i; } } return string_view::npos; } else { return str.find(c); } } template constexpr bool is_default_predicate() noexcept { return std::is_same_v, std::equal_to> || std::is_same_v, std::equal_to<>>; } template constexpr bool is_nothrow_invocable() { return is_default_predicate() || std::is_nothrow_invocable_r_v; } template constexpr bool cmp_equal(string_view lhs, string_view rhs, [[maybe_unused]] BinaryPredicate&& p) noexcept(is_nothrow_invocable()) { #if defined(_MSC_VER) && _MSC_VER < 1920 && !defined(__clang__) // https://developercommunity.visualstudio.com/content/problem/360432/vs20178-regression-c-failed-in-test.html // https://developercommunity.visualstudio.com/content/problem/232218/c-constexpr-string-view.html constexpr bool workaround = true; #else constexpr bool workaround = false; #endif if constexpr (!is_default_predicate() || workaround) { if (lhs.size() != rhs.size()) { return false; } const auto size = lhs.size(); for (std::size_t i = 0; i < size; ++i) { if (!p(lhs[i], rhs[i])) { return false; } } return true; } else { return lhs == rhs; } } template constexpr bool cmp_less(L lhs, R rhs) noexcept { static_assert(std::is_integral_v && std::is_integral_v, "magic_enum::detail::cmp_less requires integral type."); if constexpr (std::is_signed_v == std::is_signed_v) { // If same signedness (both signed or both unsigned). return lhs < rhs; } else if constexpr (std::is_same_v) { // bool special case return static_cast(lhs) < rhs; } else if constexpr (std::is_same_v) { // bool special case return lhs < static_cast(rhs); } else if constexpr (std::is_signed_v) { // If 'right' is negative, then result is 'false', otherwise cast & compare. return rhs > 0 && lhs < static_cast>(rhs); } else { // If 'left' is negative, then result is 'true', otherwise cast & compare. return lhs < 0 || static_cast>(lhs) < rhs; } } template constexpr I log2(I value) noexcept { static_assert(std::is_integral_v, "magic_enum::detail::log2 requires integral type."); if constexpr (std::is_same_v) { // bool special case return MAGIC_ENUM_ASSERT(false), value; } else { auto ret = I{0}; for (; value > I{1}; value >>= I{1}, ++ret) {} return ret; } } #if defined(__cpp_lib_array_constexpr) && __cpp_lib_array_constexpr >= 201603L # define MAGIC_ENUM_ARRAY_CONSTEXPR 1 #else template constexpr std::array, N> to_array(T (&a)[N], std::index_sequence) noexcept { return {{a[I]...}}; } #endif template inline constexpr bool is_enum_v = std::is_enum_v && std::is_same_v>; template constexpr auto n() noexcept { static_assert(is_enum_v, "magic_enum::detail::n requires enum type."); if constexpr (supported::value) { #if defined(MAGIC_ENUM_GET_TYPE_NAME_BUILTIN) constexpr auto name_ptr = MAGIC_ENUM_GET_TYPE_NAME_BUILTIN(E); constexpr auto name = name_ptr ? str_view{name_ptr, std::char_traits::length(name_ptr)} : str_view{}; #elif defined(__clang__) str_view name; if constexpr (sizeof(__PRETTY_FUNCTION__) == sizeof(__FUNCTION__)) { static_assert(always_false_v, "magic_enum::detail::n requires __PRETTY_FUNCTION__."); return str_view{}; } else { name.size_ = sizeof(__PRETTY_FUNCTION__) - 36; name.str_ = __PRETTY_FUNCTION__ + 34; } #elif defined(__GNUC__) auto name = str_view{__PRETTY_FUNCTION__, sizeof(__PRETTY_FUNCTION__) - 1}; if constexpr (sizeof(__PRETTY_FUNCTION__) == sizeof(__FUNCTION__)) { static_assert(always_false_v, "magic_enum::detail::n requires __PRETTY_FUNCTION__."); return str_view{}; } else if (name.str_[name.size_ - 1] == ']') { name.size_ -= 50; name.str_ += 49; } else { name.size_ -= 40; name.str_ += 37; } #elif defined(_MSC_VER) // CLI/C++ workaround (see https://github.com/Neargye/magic_enum/issues/284). str_view name; name.str_ = __FUNCSIG__; name.str_ += 40; name.size_ += sizeof(__FUNCSIG__) - 57; #else auto name = str_view{}; #endif std::size_t p = 0; for (std::size_t i = name.size_; i > 0; --i) { if (name.str_[i] == ':') { p = i + 1; break; } } if (p > 0) { name.size_ -= p; name.str_ += p; } return name; } else { return str_view{}; // Unsupported compiler or Invalid customize. } } template constexpr auto type_name() noexcept { [[maybe_unused]] constexpr auto custom = customize::enum_type_name(); static_assert(std::is_same_v, customize::customize_t>, "magic_enum::customize requires customize_t type."); if constexpr (custom.first == customize::detail::customize_tag::custom_tag) { constexpr auto name = custom.second; static_assert(!name.empty(), "magic_enum::customize requires not empty string."); return static_str{name}; } else if constexpr (custom.first == customize::detail::customize_tag::invalid_tag) { return static_str<0>{}; } else if constexpr (custom.first == customize::detail::customize_tag::default_tag) { constexpr auto name = n(); return static_str{name}; } else { static_assert(always_false_v, "magic_enum::customize invalid."); } } template inline constexpr auto type_name_v = type_name(); template constexpr auto n() noexcept { static_assert(is_enum_v, "magic_enum::detail::n requires enum type."); if constexpr (supported::value) { #if defined(MAGIC_ENUM_GET_ENUM_NAME_BUILTIN) constexpr auto name_ptr = MAGIC_ENUM_GET_ENUM_NAME_BUILTIN(V); auto name = name_ptr ? str_view{name_ptr, std::char_traits::length(name_ptr)} : str_view{}; #elif defined(__clang__) str_view name; if constexpr (sizeof(__PRETTY_FUNCTION__) == sizeof(__FUNCTION__)) { static_assert(always_false_v, "magic_enum::detail::n requires __PRETTY_FUNCTION__."); return str_view{}; } else { name.size_ = sizeof(__PRETTY_FUNCTION__) - 36; name.str_ = __PRETTY_FUNCTION__ + 34; } if (name.size_ > 22 && name.str_[0] == '(' && name.str_[1] == 'a' && name.str_[10] == ' ' && name.str_[22] == ':') { name.size_ -= 23; name.str_ += 23; } if (name.str_[0] == '(' || name.str_[0] == '-' || (name.str_[0] >= '0' && name.str_[0] <= '9')) { name = str_view{}; } #elif defined(__GNUC__) auto name = str_view{__PRETTY_FUNCTION__, sizeof(__PRETTY_FUNCTION__) - 1}; if constexpr (sizeof(__PRETTY_FUNCTION__) == sizeof(__FUNCTION__)) { static_assert(always_false_v, "magic_enum::detail::n requires __PRETTY_FUNCTION__."); return str_view{}; } else if (name.str_[name.size_ - 1] == ']') { name.size_ -= 55; name.str_ += 54; } else { name.size_ -= 40; name.str_ += 37; } if (name.str_[0] == '(') { name = str_view{}; } #elif defined(_MSC_VER) str_view name; if ((__FUNCSIG__[5] == '_' && __FUNCSIG__[35] != '(') || (__FUNCSIG__[5] == 'c' && __FUNCSIG__[41] != '(')) { // CLI/C++ workaround (see https://github.com/Neargye/magic_enum/issues/284). name.str_ = __FUNCSIG__; name.str_ += 35; name.size_ = sizeof(__FUNCSIG__) - 52; } #else auto name = str_view{}; #endif std::size_t p = 0; for (std::size_t i = name.size_; i > 0; --i) { if (name.str_[i] == ':') { p = i + 1; break; } } if (p > 0) { name.size_ -= p; name.str_ += p; } return name; } else { return str_view{}; // Unsupported compiler or Invalid customize. } } #if defined(_MSC_VER) && !defined(__clang__) && _MSC_VER < 1920 # define MAGIC_ENUM_VS_2017_WORKAROUND 1 #endif #if defined(MAGIC_ENUM_VS_2017_WORKAROUND) template constexpr auto n() noexcept { static_assert(is_enum_v, "magic_enum::detail::n requires enum type."); # if defined(MAGIC_ENUM_GET_ENUM_NAME_BUILTIN) constexpr auto name_ptr = MAGIC_ENUM_GET_ENUM_NAME_BUILTIN(V); auto name = name_ptr ? str_view{name_ptr, std::char_traits::length(name_ptr)} : str_view{}; # else // CLI/C++ workaround (see https://github.com/Neargye/magic_enum/issues/284). str_view name; name.str_ = __FUNCSIG__; name.size_ = sizeof(__FUNCSIG__) - 17; std::size_t p = 0; for (std::size_t i = name.size_; i > 0; --i) { if (name.str_[i] == ',' || name.str_[i] == ':') { p = i + 1; break; } } if (p > 0) { name.size_ -= p; name.str_ += p; } if (name.str_[0] == '(' || name.str_[0] == '-' || (name.str_[0] >= '0' && name.str_[0] <= '9')) { name = str_view{}; } return name; # endif } #endif template constexpr auto enum_name() noexcept { [[maybe_unused]] constexpr auto custom = customize::enum_name(V); static_assert(std::is_same_v, customize::customize_t>, "magic_enum::customize requires customize_t type."); if constexpr (custom.first == customize::detail::customize_tag::custom_tag) { constexpr auto name = custom.second; static_assert(!name.empty(), "magic_enum::customize requires not empty string."); return static_str{name}; } else if constexpr (custom.first == customize::detail::customize_tag::invalid_tag) { return static_str<0>{}; } else if constexpr (custom.first == customize::detail::customize_tag::default_tag) { #if defined(MAGIC_ENUM_VS_2017_WORKAROUND) constexpr auto name = n(); #else constexpr auto name = n(); #endif return static_str{name}; } else { static_assert(always_false_v, "magic_enum::customize invalid."); } } template inline constexpr auto enum_name_v = enum_name(); template constexpr bool is_valid() noexcept { #if defined(__clang__) && __clang_major__ >= 16 // https://reviews.llvm.org/D130058, https://reviews.llvm.org/D131307 constexpr E v = __builtin_bit_cast(E, V); #else constexpr E v = static_cast(V); #endif [[maybe_unused]] constexpr auto custom = customize::enum_name(v); static_assert(std::is_same_v, customize::customize_t>, "magic_enum::customize requires customize_t type."); if constexpr (custom.first == customize::detail::customize_tag::custom_tag) { constexpr auto name = custom.second; static_assert(!name.empty(), "magic_enum::customize requires not empty string."); return name.size() != 0; } else if constexpr (custom.first == customize::detail::customize_tag::default_tag) { #if defined(MAGIC_ENUM_VS_2017_WORKAROUND) return n().size_ != 0; #else return n().size_ != 0; #endif } else { return false; } } enum class enum_subtype { common, flags }; template > constexpr U ualue(std::size_t i) noexcept { if constexpr (std::is_same_v) { // bool special case static_assert(O == 0, "magic_enum::detail::ualue requires valid offset."); return static_cast(i); } else if constexpr (S == enum_subtype::flags) { return static_cast(U{1} << static_cast(static_cast(i) + O)); } else { return static_cast(static_cast(i) + O); } } template > constexpr E value(std::size_t i) noexcept { return static_cast(ualue(i)); } template > constexpr int reflected_min() noexcept { if constexpr (S == enum_subtype::flags) { return 0; } else { constexpr auto lhs = range_min::value; constexpr auto rhs = (std::numeric_limits::min)(); if constexpr (cmp_less(rhs, lhs)) { return lhs; } else { return rhs; } } } template > constexpr int reflected_max() noexcept { if constexpr (S == enum_subtype::flags) { return std::numeric_limits::digits - 1; } else { constexpr auto lhs = range_max::value; constexpr auto rhs = (std::numeric_limits::max)(); if constexpr (cmp_less(lhs, rhs)) { return lhs; } else { return rhs; } } } #define MAGIC_ENUM_FOR_EACH_256(T) \ T( 0)T( 1)T( 2)T( 3)T( 4)T( 5)T( 6)T( 7)T( 8)T( 9)T( 10)T( 11)T( 12)T( 13)T( 14)T( 15)T( 16)T( 17)T( 18)T( 19)T( 20)T( 21)T( 22)T( 23)T( 24)T( 25)T( 26)T( 27)T( 28)T( 29)T( 30)T( 31) \ T( 32)T( 33)T( 34)T( 35)T( 36)T( 37)T( 38)T( 39)T( 40)T( 41)T( 42)T( 43)T( 44)T( 45)T( 46)T( 47)T( 48)T( 49)T( 50)T( 51)T( 52)T( 53)T( 54)T( 55)T( 56)T( 57)T( 58)T( 59)T( 60)T( 61)T( 62)T( 63) \ T( 64)T( 65)T( 66)T( 67)T( 68)T( 69)T( 70)T( 71)T( 72)T( 73)T( 74)T( 75)T( 76)T( 77)T( 78)T( 79)T( 80)T( 81)T( 82)T( 83)T( 84)T( 85)T( 86)T( 87)T( 88)T( 89)T( 90)T( 91)T( 92)T( 93)T( 94)T( 95) \ T( 96)T( 97)T( 98)T( 99)T(100)T(101)T(102)T(103)T(104)T(105)T(106)T(107)T(108)T(109)T(110)T(111)T(112)T(113)T(114)T(115)T(116)T(117)T(118)T(119)T(120)T(121)T(122)T(123)T(124)T(125)T(126)T(127) \ T(128)T(129)T(130)T(131)T(132)T(133)T(134)T(135)T(136)T(137)T(138)T(139)T(140)T(141)T(142)T(143)T(144)T(145)T(146)T(147)T(148)T(149)T(150)T(151)T(152)T(153)T(154)T(155)T(156)T(157)T(158)T(159) \ T(160)T(161)T(162)T(163)T(164)T(165)T(166)T(167)T(168)T(169)T(170)T(171)T(172)T(173)T(174)T(175)T(176)T(177)T(178)T(179)T(180)T(181)T(182)T(183)T(184)T(185)T(186)T(187)T(188)T(189)T(190)T(191) \ T(192)T(193)T(194)T(195)T(196)T(197)T(198)T(199)T(200)T(201)T(202)T(203)T(204)T(205)T(206)T(207)T(208)T(209)T(210)T(211)T(212)T(213)T(214)T(215)T(216)T(217)T(218)T(219)T(220)T(221)T(222)T(223) \ T(224)T(225)T(226)T(227)T(228)T(229)T(230)T(231)T(232)T(233)T(234)T(235)T(236)T(237)T(238)T(239)T(240)T(241)T(242)T(243)T(244)T(245)T(246)T(247)T(248)T(249)T(250)T(251)T(252)T(253)T(254)T(255) template constexpr void valid_count(bool* valid, std::size_t& count) noexcept { #define MAGIC_ENUM_V(O) \ if constexpr ((I + O) < Size) { \ if constexpr (is_valid(I + O)>()) { \ valid[I + O] = true; \ ++count; \ } \ } MAGIC_ENUM_FOR_EACH_256(MAGIC_ENUM_V) if constexpr ((I + 256) < Size) { valid_count(valid, count); } #undef MAGIC_ENUM_V } template struct valid_count_t { std::size_t count = 0; bool valid[N] = {}; }; template constexpr auto valid_count() noexcept { valid_count_t vc; valid_count(vc.valid, vc.count); return vc; } template constexpr auto values() noexcept { constexpr auto vc = valid_count(); if constexpr (vc.count > 0) { #if defined(MAGIC_ENUM_ARRAY_CONSTEXPR) std::array values = {}; #else E values[vc.count] = {}; #endif for (std::size_t i = 0, v = 0; v < vc.count; ++i) { if (vc.valid[i]) { values[v++] = value(i); } } #if defined(MAGIC_ENUM_ARRAY_CONSTEXPR) return values; #else return to_array(values, std::make_index_sequence{}); #endif } else { return std::array{}; } } template > constexpr auto values() noexcept { constexpr auto min = reflected_min(); constexpr auto max = reflected_max(); constexpr auto range_size = max - min + 1; static_assert(range_size > 0, "magic_enum::enum_range requires valid size."); return values(); } template > constexpr enum_subtype subtype(std::true_type) noexcept { if constexpr (std::is_same_v) { // bool special case return enum_subtype::common; } else if constexpr (has_is_flags::value) { return customize::enum_range::is_flags ? enum_subtype::flags : enum_subtype::common; } else { #if defined(MAGIC_ENUM_AUTO_IS_FLAGS) constexpr auto flags_values = values(); constexpr auto default_values = values(); if (flags_values.size() == 0 || default_values.size() > flags_values.size()) { return enum_subtype::common; } for (std::size_t i = 0; i < default_values.size(); ++i) { const auto v = static_cast(default_values[i]); if (v != 0 && (v & (v - 1)) != 0) { return enum_subtype::common; } } return enum_subtype::flags; #else return enum_subtype::common; #endif } } template constexpr enum_subtype subtype(std::false_type) noexcept { // For non-enum type return default common subtype. return enum_subtype::common; } template > inline constexpr auto subtype_v = subtype(std::is_enum{}); template inline constexpr auto values_v = values(); template > using values_t = decltype((values_v)); template inline constexpr auto count_v = values_v.size(); template > inline constexpr auto min_v = (count_v > 0) ? static_cast(values_v.front()) : U{0}; template > inline constexpr auto max_v = (count_v > 0) ? static_cast(values_v.back()) : U{0}; template constexpr auto names(std::index_sequence) noexcept { constexpr auto names = std::array{{enum_name_v[I]>...}}; return names; } template inline constexpr auto names_v = names(std::make_index_sequence>{}); template > using names_t = decltype((names_v)); template constexpr auto entries(std::index_sequence) noexcept { constexpr auto entries = std::array, sizeof...(I)>{{{values_v[I], enum_name_v[I]>}...}}; return entries; } template inline constexpr auto entries_v = entries(std::make_index_sequence>{}); template > using entries_t = decltype((entries_v)); template > constexpr bool is_sparse() noexcept { if constexpr (count_v == 0) { return false; } else if constexpr (std::is_same_v) { // bool special case return false; } else { constexpr auto max = (S == enum_subtype::flags) ? log2(max_v) : max_v; constexpr auto min = (S == enum_subtype::flags) ? log2(min_v) : min_v; constexpr auto range_size = max - min + 1; return range_size != count_v; } } template > inline constexpr bool is_sparse_v = is_sparse(); template struct is_reflected #if defined(MAGIC_ENUM_NO_CHECK_REFLECTED_ENUM) : std::true_type {}; #else : std::bool_constant && (count_v != 0)> {}; #endif template inline constexpr bool is_reflected_v = is_reflected, S>{}; template struct enable_if_enum {}; template struct enable_if_enum { using type = R; static_assert(supported::value, "magic_enum unsupported compiler (https://github.com/Neargye/magic_enum#compiler-compatibility)."); }; template , typename D = std::decay_t> using enable_if_t = typename enable_if_enum && std::is_invocable_r_v, R>::type; template >, int> = 0> using enum_concept = T; template > struct is_scoped_enum : std::false_type {}; template struct is_scoped_enum : std::bool_constant>> {}; template > struct is_unscoped_enum : std::false_type {}; template struct is_unscoped_enum : std::bool_constant>> {}; template >> struct underlying_type {}; template struct underlying_type : std::underlying_type> {}; #if defined(MAGIC_ENUM_ENABLE_HASH) || defined(MAGIC_ENUM_ENABLE_HASH_SWITCH) template struct constexpr_hash_t; template struct constexpr_hash_t>> { constexpr auto operator()(Value value) const noexcept { using U = typename underlying_type::type; if constexpr (std::is_same_v) { // bool special case return static_cast(value); } else { return static_cast(value); } } using secondary_hash = constexpr_hash_t; }; template struct constexpr_hash_t>> { static constexpr std::uint32_t crc_table[256] { 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, 0x2d02ef8dL }; constexpr std::uint32_t operator()(string_view value) const noexcept { auto crc = static_cast(0xffffffffL); for (const auto c : value) { crc = (crc >> 8) ^ crc_table[(crc ^ static_cast(c)) & 0xff]; } return crc ^ 0xffffffffL; } struct secondary_hash { constexpr std::uint32_t operator()(string_view value) const noexcept { auto acc = static_cast(2166136261ULL); for (const auto c : value) { acc = ((acc ^ static_cast(c)) * static_cast(16777619ULL)) & (std::numeric_limits::max)(); } return static_cast(acc); } }; }; template inline constexpr Hash hash_v{}; template constexpr auto calculate_cases(std::size_t Page) noexcept { constexpr std::array values = *GlobValues; constexpr std::size_t size = values.size(); using switch_t = std::invoke_result_t; static_assert(std::is_integral_v && !std::is_same_v); const std::size_t values_to = (std::min)(static_cast(256), size - Page); std::array result{}; auto fill = result.begin(); { auto first = values.begin() + static_cast(Page); auto last = values.begin() + static_cast(Page + values_to); while (first != last) { *fill++ = hash_v(*first++); } } // dead cases, try to avoid case collisions for (switch_t last_value = result[values_to - 1]; fill != result.end() && last_value != (std::numeric_limits::max)(); *fill++ = ++last_value) { } { auto it = result.begin(); auto last_value = (std::numeric_limits::min)(); for (; fill != result.end(); *fill++ = last_value++) { while (last_value == *it) { ++last_value, ++it; } } } return result; } template constexpr R invoke_r(F&& f, Args&&... args) noexcept(std::is_nothrow_invocable_r_v) { if constexpr (std::is_void_v) { std::forward(f)(std::forward(args)...); } else { return static_cast(std::forward(f)(std::forward(args)...)); } } enum class case_call_t { index, value }; template inline constexpr auto default_result_type_lambda = []() noexcept(std::is_nothrow_default_constructible_v) { return T{}; }; template <> inline constexpr auto default_result_type_lambda = []() noexcept {}; template constexpr bool has_duplicate() noexcept { using value_t = std::decay_t; using hash_value_t = std::invoke_result_t; std::arraysize()> hashes{}; std::size_t size = 0; for (auto elem : *Arr) { hashes[size] = hash_v(elem); for (auto i = size++; i > 0; --i) { if (hashes[i] < hashes[i - 1]) { auto tmp = hashes[i]; hashes[i] = hashes[i - 1]; hashes[i - 1] = tmp; } else if (hashes[i] == hashes[i - 1]) { return false; } else { break; } } } return true; } #define MAGIC_ENUM_CASE(val) \ case cases[val]: \ if constexpr ((val) + Page < size) { \ if (!pred(values[val + Page], searched)) { \ break; \ } \ if constexpr (CallValue == case_call_t::index) { \ if constexpr (std::is_invocable_r_v>) { \ return detail::invoke_r(std::forward(lambda), std::integral_constant{}); \ } else if constexpr (std::is_invocable_v>) { \ MAGIC_ENUM_ASSERT(false && "magic_enum::detail::constexpr_switch wrong result type."); \ } \ } else if constexpr (CallValue == case_call_t::value) { \ if constexpr (std::is_invocable_r_v>) { \ return detail::invoke_r(std::forward(lambda), enum_constant{}); \ } else if constexpr (std::is_invocable_r_v>) { \ MAGIC_ENUM_ASSERT(false && "magic_enum::detail::constexpr_switch wrong result type."); \ } \ } \ break; \ } else [[fallthrough]]; template ::value_type>, typename BinaryPredicate = std::equal_to<>, typename Lambda, typename ResultGetterType> constexpr decltype(auto) constexpr_switch( Lambda&& lambda, typename std::decay_t::value_type searched, ResultGetterType&& def, BinaryPredicate&& pred = {}) { using result_t = std::invoke_result_t; using hash_t = std::conditional_t(), Hash, typename Hash::secondary_hash>; static_assert(has_duplicate(), "magic_enum::detail::constexpr_switch duplicated hash found, please report it: https://github.com/Neargye/magic_enum/issues."); constexpr std::array values = *GlobValues; constexpr std::size_t size = values.size(); constexpr std::array cases = calculate_cases(Page); switch (hash_v(searched)) { MAGIC_ENUM_FOR_EACH_256(MAGIC_ENUM_CASE) default: if constexpr (size > 256 + Page) { return constexpr_switch(std::forward(lambda), searched, std::forward(def)); } break; } return def(); } #undef MAGIC_ENUM_CASE #endif } // namespace magic_enum::detail // Checks is magic_enum supported compiler. inline constexpr bool is_magic_enum_supported = detail::supported::value; template using Enum = detail::enum_concept; // Checks whether T is an Unscoped enumeration type. // Provides the member constant value which is equal to true, if T is an [Unscoped enumeration](https://en.cppreference.com/w/cpp/language/enum#Unscoped_enumeration) type. Otherwise, value is equal to false. template struct is_unscoped_enum : detail::is_unscoped_enum {}; template inline constexpr bool is_unscoped_enum_v = is_unscoped_enum::value; // Checks whether T is an Scoped enumeration type. // Provides the member constant value which is equal to true, if T is an [Scoped enumeration](https://en.cppreference.com/w/cpp/language/enum#Scoped_enumerations) type. Otherwise, value is equal to false. template struct is_scoped_enum : detail::is_scoped_enum {}; template inline constexpr bool is_scoped_enum_v = is_scoped_enum::value; // If T is a complete enumeration type, provides a member typedef type that names the underlying type of T. // Otherwise, if T is not an enumeration type, there is no member type. Otherwise (T is an incomplete enumeration type), the program is ill-formed. template struct underlying_type : detail::underlying_type {}; template using underlying_type_t = typename underlying_type::type; template using enum_constant = detail::enum_constant; // Returns type name of enum. template [[nodiscard]] constexpr auto enum_type_name() noexcept -> detail::enable_if_t { constexpr string_view name = detail::type_name_v>; static_assert(!name.empty(), "magic_enum::enum_type_name enum type does not have a name."); return name; } // Returns number of enum values. template > [[nodiscard]] constexpr auto enum_count() noexcept -> detail::enable_if_t { return detail::count_v, S>; } // Returns enum value at specified index. // No bounds checking is performed: the behavior is undefined if index >= number of enum values. template > [[nodiscard]] constexpr auto enum_value(std::size_t index) noexcept -> detail::enable_if_t> { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); if constexpr (detail::is_sparse_v) { return MAGIC_ENUM_ASSERT(index < detail::count_v), detail::values_v[index]; } else { constexpr auto min = (S == detail::enum_subtype::flags) ? detail::log2(detail::min_v) : detail::min_v; return MAGIC_ENUM_ASSERT(index < detail::count_v), detail::value(index); } } // Returns enum value at specified index. template > [[nodiscard]] constexpr auto enum_value() noexcept -> detail::enable_if_t> { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); static_assert(I < detail::count_v, "magic_enum::enum_value out of range."); return enum_value(I); } // Returns std::array with enum values, sorted by enum value. template > [[nodiscard]] constexpr auto enum_values() noexcept -> detail::enable_if_t> { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); return detail::values_v; } // Returns integer value from enum value. template [[nodiscard]] constexpr auto enum_integer(E value) noexcept -> detail::enable_if_t> { return static_cast>(value); } // Returns underlying value from enum value. template [[nodiscard]] constexpr auto enum_underlying(E value) noexcept -> detail::enable_if_t> { return static_cast>(value); } // Obtains index in enum values from enum value. // Returns optional with index. template > [[nodiscard]] constexpr auto enum_index(E value) noexcept -> detail::enable_if_t> { using D = std::decay_t; using U = underlying_type_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); if constexpr (detail::is_sparse_v || (S == detail::enum_subtype::flags)) { #if defined(MAGIC_ENUM_ENABLE_HASH) return detail::constexpr_switch<&detail::values_v, detail::case_call_t::index>( [](std::size_t i) { return optional{i}; }, value, detail::default_result_type_lambda>); #else for (std::size_t i = 0; i < detail::count_v; ++i) { if (enum_value(i) == value) { return i; } } return {}; // Invalid value or out of range. #endif } else { const auto v = static_cast(value); if (v >= detail::min_v && v <= detail::max_v) { return static_cast(v - detail::min_v); } return {}; // Invalid value or out of range. } } // Obtains index in enum values from enum value. // Returns optional with index. template [[nodiscard]] constexpr auto enum_index(E value) noexcept -> detail::enable_if_t> { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); return enum_index(value); } // Obtains index in enum values from static storage enum variable. template >> [[nodiscard]] constexpr auto enum_index() noexcept -> detail::enable_if_t {\ using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); constexpr auto index = enum_index(V); static_assert(index, "magic_enum::enum_index enum value does not have a index."); return *index; } // Returns name from static storage enum variable. // This version is much lighter on the compile times and is not restricted to the enum_range limitation. template [[nodiscard]] constexpr auto enum_name() noexcept -> detail::enable_if_t { constexpr string_view name = detail::enum_name_v, V>; static_assert(!name.empty(), "magic_enum::enum_name enum value does not have a name."); return name; } // Returns name from enum value. // If enum value does not have name or value out of range, returns empty string. template > [[nodiscard]] constexpr auto enum_name(E value) noexcept -> detail::enable_if_t { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); if (const auto i = enum_index(value)) { return detail::names_v[*i]; } return {}; } // Returns name from enum value. // If enum value does not have name or value out of range, returns empty string. template [[nodiscard]] constexpr auto enum_name(E value) -> detail::enable_if_t { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); return enum_name(value); } // Returns std::array with names, sorted by enum value. template > [[nodiscard]] constexpr auto enum_names() noexcept -> detail::enable_if_t> { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); return detail::names_v; } // Returns std::array with pairs (value, name), sorted by enum value. template > [[nodiscard]] constexpr auto enum_entries() noexcept -> detail::enable_if_t> { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); return detail::entries_v; } // Allows you to write magic_enum::enum_cast("bar", magic_enum::case_insensitive); inline constexpr auto case_insensitive = detail::case_insensitive<>{}; // Obtains enum value from integer value. // Returns optional with enum value. template > [[nodiscard]] constexpr auto enum_cast(underlying_type_t value) noexcept -> detail::enable_if_t>> { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); if constexpr (detail::is_sparse_v || (S == detail::enum_subtype::flags)) { #if defined(MAGIC_ENUM_ENABLE_HASH) return detail::constexpr_switch<&detail::values_v, detail::case_call_t::value>( [](D v) { return optional{v}; }, static_cast(value), detail::default_result_type_lambda>); #else for (std::size_t i = 0; i < detail::count_v; ++i) { if (value == static_cast>(enum_value(i))) { return static_cast(value); } } return {}; // Invalid value or out of range. #endif } else { if (value >= detail::min_v && value <= detail::max_v) { return static_cast(value); } return {}; // Invalid value or out of range. } } // Obtains enum value from name. // Returns optional with enum value. template , typename BinaryPredicate = std::equal_to<>> [[nodiscard]] constexpr auto enum_cast(string_view value, [[maybe_unused]] BinaryPredicate p = {}) noexcept(detail::is_nothrow_invocable()) -> detail::enable_if_t>, BinaryPredicate> { using D = std::decay_t; static_assert(detail::is_reflected_v, "magic_enum requires enum implementation and valid max and min."); #if defined(MAGIC_ENUM_ENABLE_HASH) if constexpr (detail::is_default_predicate()) { return detail::constexpr_switch<&detail::names_v, detail::case_call_t::index>( [](std::size_t i) { return optional{detail::values_v[i]}; }, value, detail::default_result_type_lambda>, [&p](string_view lhs, string_view rhs) { return detail::cmp_equal(lhs, rhs, p); }); } #endif for (std::size_t i = 0; i < detail::count_v; ++i) { if (detail::cmp_equal(value, detail::names_v[i], p)) { return enum_value(i); } } return {}; // Invalid value or out of range. } // Checks whether enum contains value with such value. template > [[nodiscard]] constexpr auto enum_contains(E value) noexcept -> detail::enable_if_t { using D = std::decay_t; using U = underlying_type_t; return static_cast(enum_cast(static_cast(value))); } // Checks whether enum contains value with such value. template [[nodiscard]] constexpr auto enum_contains(E value) noexcept -> detail::enable_if_t { using D = std::decay_t; using U = underlying_type_t; return static_cast(enum_cast(static_cast(value))); } // Checks whether enum contains value with such integer value. template > [[nodiscard]] constexpr auto enum_contains(underlying_type_t value) noexcept -> detail::enable_if_t { using D = std::decay_t; return static_cast(enum_cast(value)); } // Checks whether enum contains enumerator with such name. template , typename BinaryPredicate = std::equal_to<>> [[nodiscard]] constexpr auto enum_contains(string_view value, BinaryPredicate p = {}) noexcept(detail::is_nothrow_invocable()) -> detail::enable_if_t { using D = std::decay_t; return static_cast(enum_cast(value, std::move(p))); } template inline constexpr auto as_flags = AsFlags ? detail::enum_subtype::flags : detail::enum_subtype::common; template inline constexpr auto as_common = AsFlags ? detail::enum_subtype::common : detail::enum_subtype::flags; namespace bitwise_operators { template = 0> constexpr E operator~(E rhs) noexcept { return static_cast(~static_cast>(rhs)); } template = 0> constexpr E operator|(E lhs, E rhs) noexcept { return static_cast(static_cast>(lhs) | static_cast>(rhs)); } template = 0> constexpr E operator&(E lhs, E rhs) noexcept { return static_cast(static_cast>(lhs) & static_cast>(rhs)); } template = 0> constexpr E operator^(E lhs, E rhs) noexcept { return static_cast(static_cast>(lhs) ^ static_cast>(rhs)); } template = 0> constexpr E& operator|=(E& lhs, E rhs) noexcept { return lhs = (lhs | rhs); } template = 0> constexpr E& operator&=(E& lhs, E rhs) noexcept { return lhs = (lhs & rhs); } template = 0> constexpr E& operator^=(E& lhs, E rhs) noexcept { return lhs = (lhs ^ rhs); } } // namespace magic_enum::bitwise_operators } // namespace magic_enum #if defined(__clang__) # pragma clang diagnostic pop #elif defined(__GNUC__) # pragma GCC diagnostic pop #elif defined(_MSC_VER) # pragma warning(pop) #endif #undef MAGIC_ENUM_GET_ENUM_NAME_BUILTIN #undef MAGIC_ENUM_GET_TYPE_NAME_BUILTIN #undef MAGIC_ENUM_VS_2017_WORKAROUND #undef MAGIC_ENUM_ARRAY_CONSTEXPR #undef MAGIC_ENUM_FOR_EACH_256 #endif // NEARGYE_MAGIC_ENUM_HPP