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24 lines
605 B
C++
24 lines
605 B
C++
/**
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* \file libimp/underlyof.h
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* \author mutouyun (orz@orzz.org)
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* \brief Returns the underlying type of the given enum
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* \date 2022-03-01
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*/
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#pragma once
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#include <type_traits> // std::underlying_type_t
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#include "libimp/def.h"
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LIBIMP_NAMESPACE_BEG_
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/// \brief Returns after converting the value to the underlying type of E.
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/// \see https://en.cppreference.com/w/cpp/types/underlying_type
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/// https://en.cppreference.com/w/cpp/utility/to_underlying
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template <typename E>
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constexpr auto underlyof(E e) noexcept {
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return static_cast<std::underlying_type_t<E>>(e);
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}
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LIBIMP_NAMESPACE_END_
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