in_place.hpp 1.7 KB

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  1. // sol2
  2. // The MIT License (MIT)
  3. // Copyright (c) 2013-2022 Rapptz, ThePhD and contributors
  4. // Permission is hereby granted, free of charge, to any person obtaining a copy of
  5. // this software and associated documentation files (the "Software"), to deal in
  6. // the Software without restriction, including without limitation the rights to
  7. // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  8. // the Software, and to permit persons to whom the Software is furnished to do so,
  9. // subject to the following conditions:
  10. // The above copyright notice and this permission notice shall be included in all
  11. // copies or substantial portions of the Software.
  12. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  13. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  14. // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  15. // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  16. // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  17. // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  18. #ifndef SOL_IN_PLACE_HPP
  19. #define SOL_IN_PLACE_HPP
  20. #include <cstddef>
  21. #include <utility>
  22. namespace sol {
  23. using in_place_t = std::in_place_t;
  24. constexpr std::in_place_t in_place {};
  25. constexpr std::in_place_t in_place_of {};
  26. template <typename T>
  27. using in_place_type_t = std::in_place_type_t<T>;
  28. template <typename T>
  29. constexpr std::in_place_type_t<T> in_place_type {};
  30. template <size_t I>
  31. using in_place_index_t = std::in_place_index_t<I>;
  32. template <size_t I>
  33. constexpr in_place_index_t<I> in_place_index {};
  34. } // namespace sol
  35. #endif // SOL_IN_PLACE_HPP