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/*
* This file is part of the TrinityCore 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 General Public License as published by the
* Free Software Foundation; either version 2 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/>.
*/
#ifndef TRINITYCORE_CONCEPTS_H
#define TRINITYCORE_CONCEPTS_H
#include <concepts>
#include <functional> // std::invoke
namespace Trinity
{
template <typename Callable, typename R, typename... Args>
concept invocable_r = requires(Callable && callable, Args&&... args)
{
{ std::invoke(static_cast<Callable&&>(callable), static_cast<Args&&>(args)...) } -> std::convertible_to<R>;
};
}
#endif // TRINITYCORE_CONCEPTS_H
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