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/*
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Affero 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 Affero 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/>.
*/
#ifndef Tuples_h__
#define Tuples_h__
#include <tuple>
namespace Acore
{
template <typename T, typename Tuple>
struct has_type;
template <typename T, typename... Us>
struct has_type<T, std::tuple<Us...>> : std::disjunction<std::is_same<T, Us>...>
{
};
template <typename T, typename... Us>
constexpr bool has_type_v = has_type<T, Us...>::value;
template<typename>
struct is_tuple : std::false_type
{
};
template<typename... Ts>
struct is_tuple<std::tuple<Ts...>> : std::true_type
{
};
template<typename... Ts>
constexpr bool is_tuple_v = is_tuple<Ts...>::value;
namespace Impl
{
template <class T, class Tuple, std::size_t... I>
T* new_from_tuple(Tuple&& args, std::index_sequence<I...>)
{
return new T(std::get<I>(std::forward<Tuple>(args))...);
}
}
template<class T, class Tuple>
[[nodiscard]] T* new_from_tuple(Tuple&& args)
{
return Impl::new_from_tuple<T>(std::forward<Tuple>(args), std::make_index_sequence<std::tuple_size_v<std::remove_reference_t<Tuple>>>{});
}
}
#endif // Tuples_h__
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