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Diffstat (limited to 'src/common/Utilities/Concepts.h')
-rw-r--r-- | src/common/Utilities/Concepts.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/common/Utilities/Concepts.h b/src/common/Utilities/Concepts.h new file mode 100644 index 00000000000..4cfa52c029c --- /dev/null +++ b/src/common/Utilities/Concepts.h @@ -0,0 +1,33 @@ +/* + * 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 |