/*

Copyright (C) 2017-2026 Topological Manifold

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

#pragma once

#include <type_traits>

namespace ns

{

template <typename T>

requires std::is_enum_v<T>

[[nodiscard]] constexpr auto enum_to_int(const T v)

{

if constexpr (std::is_signed_v<std::underlying_type_t<T>>)

{

return static_cast<std::common_type_t<int, std::underlying_type_t<T>>>(v);

}

else

{

return static_cast<std::common_type_t<unsigned, std::underlying_type_t<T>>>(v);

}

}

}