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fennec/include/fennec/lang/detail/_declval.h

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// =====================================================================================================================
// fennec, a free and open source game engine
// Copyright © 2025 Medusa Slockbower
//
// 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 <https://www.gnu.org/licenses/>.
// =====================================================================================================================
///
/// \file _declval.h
/// \brief
///
///
/// \details
/// \author Medusa Slockbower
///
/// \copyright Copyright © 2025 Medusa Slockbower ([GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html))
///
///
#ifndef FENNEC_LANG_DETAIL_DECLVAL_H
#define FENNEC_LANG_DETAIL_DECLVAL_H
#include <fennec/lang/constants.h>
namespace fennec::detail
{
template<typename T, typename U = T&&> U _declval(int);
template<typename T> T _declval(long);
template<typename T> struct _declval_protector : bool_constant<false> {};
}
#endif // FENNEC_LANG_DETAIL_DECLVAL_H