container_compatible_range.h 1006 B

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  1. // -*- C++ -*-
  2. //===----------------------------------------------------------------------===//
  3. //
  4. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  5. // See https://llvm.org/LICENSE.txt for license information.
  6. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  7. //
  8. //===----------------------------------------------------------------------===//
  9. #ifndef _LIBCPP___RANGES_CONTAINER_COMPATIBLE_RANGE_H
  10. #define _LIBCPP___RANGES_CONTAINER_COMPATIBLE_RANGE_H
  11. #include <__concepts/convertible_to.h>
  12. #include <__config>
  13. #include <__ranges/concepts.h>
  14. #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  15. # pragma GCC system_header
  16. #endif
  17. _LIBCPP_BEGIN_NAMESPACE_STD
  18. #if _LIBCPP_STD_VER >= 23
  19. template <class _Range, class _Tp>
  20. concept _ContainerCompatibleRange =
  21. ranges::input_range<_Range> && convertible_to<ranges::range_reference_t<_Range>, _Tp>;
  22. #endif // _LIBCPP_STD_VER >= 23
  23. _LIBCPP_END_NAMESPACE_STD
  24. #endif // _LIBCPP___RANGES_CONTAINER_COMPATIBLE_RANGE_H