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clean-up

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neargye 2023-05-21 17:38:39 +04:00
parent 18602fd224
commit 57d7e79530
1 changed files with 17 additions and 22 deletions
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39
include/magic_enum.hpp
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@ -370,6 +370,15 @@ constexpr I log2(I value) noexcept {
}
}
#if defined(__cpp_lib_array_constexpr) && __cpp_lib_array_constexpr >= 201603L
#define MAGIC_ENUM_ARRAY_CONSTEXPR
#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 {
return {{a[I]...}};
}
#endif
template <typename T>
inline constexpr bool is_enum_v = std::is_enum_v<T> && std::is_same_v<T, std::decay_t<T>>;
@ -586,7 +595,6 @@ constexpr int reflected_max() noexcept {
}
}
#if defined(__cpp_lib_array_constexpr) && __cpp_lib_array_constexpr >= 201603L
template <std::size_t N>
constexpr std::size_t values_count(const bool (&valid)[N]) noexcept {
auto count = std::size_t{0};
@ -598,24 +606,6 @@ constexpr std::size_t values_count(const bool (&valid)[N]) noexcept {
return count;
}
#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 {
return {{a[I]...}};
}
template <std::size_t N>
constexpr std::size_t values_count(const bool (&valid)[N]) noexcept {
auto count = std::size_t{0};
for (std::size_t i = 0; i < N; ++i) {
if (valid[i]) {
++count;
}
}
return count;
}
#endif
template <typename E, enum_subtype S, int Min, std::size_t... I>
constexpr auto values(std::index_sequence<I...>) noexcept {
@ -624,9 +614,8 @@ constexpr auto values(std::index_sequence<I...>) noexcept {
constexpr std::size_t count = values_count(valid);
if constexpr (count > 0) {
#if defined(__cpp_lib_array_constexpr) && __cpp_lib_array_constexpr >= 201603L
#if defined(MAGIC_ENUM_ARRAY_CONSTEXPR)
std::array<E, count> values = {};
#else
E values[count] = {};
#endif
@ -635,7 +624,7 @@ constexpr auto values(std::index_sequence<I...>) noexcept {
values[v++] = value<E, Min, S>(i);
}
}
#if defined(__cpp_lib_array_constexpr) && __cpp_lib_array_constexpr >= 201603L
#if defined(MAGIC_ENUM_ARRAY_CONSTEXPR)
return values;
#else
return to_array(values, std::make_index_sequence<count>{});
@ -1602,4 +1591,10 @@ constexpr E& operator^=(E& lhs, E rhs) noexcept {
# pragma warning(pop)
#endif
#undef MAGIC_ENUM_GET_ENUM_NAME_BUILTIN
#undef MAGIC_ENUM_GET_TYPE_NAME_BUILTIN
#undef MAGIC_ENUM_ARRAY_CONSTEXPR
#undef MAGIC_ENUM_FOR_EACH_256
#undef MAGIC_ENUM_CASE
#endif // NEARGYE_MAGIC_ENUM_HPP