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MAGIC_ENUM_VS_2017_WORKAROUND

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neargye 2023-06-05 14:09:38 +04:00
parent 75cf5003f4
commit 0b2c1cf072
1 changed files with 9 additions and 4 deletions
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13
include/magic_enum.hpp
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@ -397,7 +397,7 @@ constexpr I log2(I value) noexcept {
}
#if defined(__cpp_lib_array_constexpr) && __cpp_lib_array_constexpr >= 201603L
#define MAGIC_ENUM_ARRAY_CONSTEXPR
#define MAGIC_ENUM_ARRAY_CONSTEXPR 1
#else
template <typename T, std::size_t N, std::size_t... I>
constexpr std::array<std::remove_cv_t<T>, N> to_array(T (&a)[N], std::index_sequence<I...>) noexcept {
@ -513,7 +513,11 @@ constexpr auto n() noexcept {
}
}
#if defined(_MSC_VER) && _MSC_VER < 1920
#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 <typename E, E V>
constexpr auto n() noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::n requires enum type.");
@ -548,7 +552,7 @@ constexpr auto enum_name() noexcept {
} 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(_MSC_VER) && _MSC_VER < 1920
#if defined(MAGIC_ENUM_VS_2017_WORKAROUND)
constexpr auto name = n<E, V>();
#else
constexpr auto name = n<V>();
@ -577,7 +581,7 @@ constexpr bool is_valid() noexcept {
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(_MSC_VER) && _MSC_VER < 1920
#if defined(MAGIC_ENUM_VS_2017_WORKAROUND)
return n<E, v>().size_ != 0;
#else
return n<v>().size_ != 0;
@ -1575,6 +1579,7 @@ constexpr E& operator^=(E& lhs, E rhs) noexcept {
#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