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clean-up

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neargye 2021-01-10 14:54:49 +02:00
parent 36ab9fa1a4
commit beb77df3f1
1 changed files with 8 additions and 19 deletions
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27
include/magic_enum.hpp
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@ -435,30 +435,19 @@ constexpr auto values(std::index_sequence<I...>) noexcept {
}
template <typename E, bool IsFlags, typename U = std::underlying_type_t<E>>
inline static constexpr void detect_values_out_of_range()
{
constexpr auto values() noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::values requires enum type.");
constexpr auto min = reflected_min_v<E, IsFlags>;
constexpr auto max = reflected_max_v<E, IsFlags>;
constexpr auto range_size = max - min + 1;
if constexpr (cmp_less((std::numeric_limits<U>::min)(), min) && !IsFlags)
{
static_assert(!is_valid<E, value<E, min - 1, IsFlags>(0)>(), "magic_enum detects enum value smaller than min range size");
}
if constexpr (cmp_less(range_size, (std::numeric_limits<U>::max)()) && !IsFlags)
{
static_assert(!is_valid<E, value<E, min, IsFlags>(range_size + 1)>(), "magic_enum detects enum value larger than max range size");
}
}
template <typename E, bool IsFlags, typename U = std::underlying_type_t<E>>
constexpr auto values() noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::values requires enum type.");
constexpr auto range_size = reflected_max_v<E, IsFlags> - reflected_min_v<E, IsFlags> + 1;
static_assert(range_size > 0, "magic_enum::enum_range requires valid size.");
static_assert(range_size < (std::numeric_limits<std::uint16_t>::max)(), "magic_enum::enum_range requires valid size.");
detect_values_out_of_range<E, IsFlags>();
if constexpr (cmp_less((std::numeric_limits<U>::min)(), min) && !IsFlags) {
static_assert(!is_valid<E, value<E, min - 1, IsFlags>(0)>(), "magic_enum::enum_range detects enum value smaller than min range size.");
}
if constexpr (cmp_less(range_size, (std::numeric_limits<U>::max)()) && !IsFlags) {
static_assert(!is_valid<E, value<E, min, IsFlags>(range_size + 1)>(), "magic_enum::enum_range detects enum value larger than max range size.");
}
return values<E, IsFlags, reflected_min_v<E, IsFlags>>(std::make_index_sequence<range_size>{});
}