is_scoped_enum.hpp

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// SPDX-License-Identifier: BSL-1.0
 
#ifndef TETL_TYPE_TRAITS_IS_SCOPED_ENUM_HPP
#define TETL_TYPE_TRAITS_IS_SCOPED_ENUM_HPP
 
#include <etl/_type_traits/bool_constant.hpp>
#include <etl/_type_traits/is_convertible.hpp>
#include <etl/_type_traits/is_enum.hpp>
#include <etl/_type_traits/underlying_type.hpp>
 
namespace etl {
 
template <typename T>
struct is_scoped_enum : false_type { };
 
template <typename T>
    requires is_enum_v<T>
struct is_scoped_enum<T> : bool_constant<not is_convertible_v<T, underlying_type_t<T>>> { };

template <typename T>
inline constexpr bool is_scoped_enum_v = is_scoped_enum<T>::value;
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_IS_SCOPED_ENUM_HPP