to_underlying.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_UTILITY_TO_UNDERLYING_HPP
#define TETL_UTILITY_TO_UNDERLYING_HPP
 
#include <etl/_type_traits/underlying_type.hpp>
 
namespace etl {
 
/// \brief Converts an enumeration to its underlying type.
///
/// https://en.cppreference.com/w/cpp/utility/to_underlying
template <typename Enum>
[[nodiscard]] constexpr auto to_underlying(Enum e) noexcept -> underlying_type_t<Enum>
{
    return static_cast<underlying_type_t<Enum>>(e);
}
 
} // namespace etl
 
#endif // TETL_UTILITY_TO_UNDERLYING_HPP