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remove is_fixed_enum

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non stable and useless
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neargye 2019-10-02 17:06:36 +05:00
parent c947afdbae
commit 105c8f067e
4 changed files with 0 additions and 30 deletions
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1
README.md
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@ -34,7 +34,6 @@ Header-only C++17 library provides static reflection for enums, work with any en
* `enum_index` obtains index in enum value sequence from enum value.
* `is_unscoped_enum` checks whether type is an [Unscoped enumeration](https://en.cppreference.com/w/cpp/language/enum#Unscoped_enumeration).
* `is_scoped_enum` checks whether type is an [Scoped enumeration](https://en.cppreference.com/w/cpp/language/enum#Scoped_enumerations).
* `is_fixed_enum` checks whether type is an [Fixed enumeration](https://en.cppreference.com/w/cpp/language/enum).
* `underlying_type` improved UB-free "SFINAE-friendly" [std::underlying_type](https://en.cppreference.com/w/cpp/types/underlying_type).
* `using namespace magic_enum::ostream_operators;` ostream operators for enums.
* `using namespace magic_enum::bitwise_operators;` bitwise operators for enums.

7
example/example.cpp
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@ -96,13 +96,6 @@ int main() {
static_assert(magic_enum::is_scoped_enum_v<Color>);
static_assert(magic_enum::is_scoped_enum_v<Flags>);
// Checks whether type is an Fixed enumeration.
#if defined(_MSC_VER) && _MSC_VER != 1923 // MSVC bug, we can not check is enum fixed
static_assert(!magic_enum::is_fixed_enum_v<color>);
static_assert(magic_enum::is_fixed_enum_v<Color>);
static_assert(magic_enum::is_fixed_enum_v<Flags>);
#endif
// Enum pair (value enum, string enum name) sequence.
constexpr auto color_entries = magic_enum::enum_entries<Color>();
std::cout << "Colors entries:";

15
include/magic_enum.hpp
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@ -314,12 +314,6 @@ struct is_unscoped_enum : std::false_type {};
template <typename T>
struct is_unscoped_enum<T, true> : std::bool_constant<std::is_convertible_v<T, std::underlying_type_t<T>>> {};
template <typename T, typename = T>
struct is_fixed_enum : std::false_type {};
template <typename T>
struct is_fixed_enum<T, decltype(T{0})> : std::is_enum<T> {};
template <typename T, bool = std::is_enum_v<T>>
struct underlying_type {};
@ -347,14 +341,6 @@ struct is_scoped_enum : detail::is_scoped_enum<T> {};
template <typename T>
inline constexpr bool is_scoped_enum_v = is_scoped_enum<T>::value;
// Checks whether T is an Fixed enumeration type.
// Provides the member constant value which is equal to true, if T is an [Fixed enumeration](https://en.cppreference.com/w/cpp/language/enum) type. Otherwise, value is equal to false.
template <typename T>
struct is_fixed_enum : detail::is_fixed_enum<T> {};
template <typename T>
inline constexpr bool is_fixed_enum_v = is_fixed_enum<T>::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 <typename T>
@ -375,7 +361,6 @@ struct enum_traits<E, std::enable_if_t<detail::is_enum_v<E>>> {
inline static constexpr bool is_unscoped_enum = is_unscoped_enum_v<E>;
inline static constexpr bool is_scoped_enum = is_scoped_enum_v<E>;
inline static constexpr bool is_fixed_enum = is_fixed_enum_v<E>;
inline static constexpr std::size_t count = detail::count_v<E>;
inline static constexpr std::array<E, count> values = detail::values<E>(detail::range_v<E>);

7
test/test.cpp
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@ -453,13 +453,6 @@ TEST_CASE("type_traits") {
REQUIRE(is_scoped_enum_v<Numbers>);
REQUIRE_FALSE(is_scoped_enum_v<Directions>);
REQUIRE_FALSE(is_scoped_enum_v<number>);
#if defined(_MSC_VER) && _MSC_VER != 1923 // MSVC bug, we can not check is enum fixed
REQUIRE(is_fixed_enum_v<Color>);
REQUIRE(is_fixed_enum_v<Numbers>);
REQUIRE_FALSE(is_fixed_enum_v<Directions>);
REQUIRE(is_fixed_enum_v<number>);
#endif
}
TEST_CASE("enum_traits") {