span.h 917 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___FWD_SPAN_H
  10. #define _LIBCPP___FWD_SPAN_H
  11. #include <__config>
  12. #include <cstddef>
  13. #include <limits>
  14. #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  15. # pragma GCC system_header
  16. #endif
  17. _LIBCPP_PUSH_MACROS
  18. #include <__undef_macros>
  19. _LIBCPP_BEGIN_NAMESPACE_STD
  20. #if _LIBCPP_STD_VER >= 20
  21. inline constexpr size_t dynamic_extent = numeric_limits<size_t>::max();
  22. template <typename _Tp, size_t _Extent = dynamic_extent> class span;
  23. #endif
  24. _LIBCPP_END_NAMESPACE_STD
  25. _LIBCPP_POP_MACROS
  26. #endif // _LIBCPP___FWD_SPAN_H