status.h

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#pragma once
 
#include <concepts>
 
namespace emlabcpp
{
 
template < typename Derived, typename Enum >
struct [[nodiscard]] status
{
        using enum_type = Enum;
 
        constexpr status( enum_type s ) noexcept
          : s_( s )
        {
        }
 
        constexpr status( status const& ) noexcept            = default;
        constexpr status( status&& ) noexcept                 = default;
        constexpr status& operator=( status const& ) noexcept = default;
        constexpr status& operator=( status&& ) noexcept      = default;
 
        [[nodiscard]] constexpr enum_type value() const noexcept
        {
                return s_;
        }
 
        constexpr friend auto
        operator<=>( status const& lhs, status const& rhs ) noexcept = default;
 
private:
        enum_type s_;
};
 
}  // namespace emlabcpp