pair.h 1.5 KB

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  1. //===---------------------------------------------------------------------===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===---------------------------------------------------------------------===//
  8. #ifndef _LIBCPP___FWD_PAIR_H
  9. #define _LIBCPP___FWD_PAIR_H
  10. #include <__config>
  11. #include <__fwd/tuple.h>
  12. #include <cstddef>
  13. #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  14. # pragma GCC system_header
  15. #endif
  16. _LIBCPP_BEGIN_NAMESPACE_STD
  17. template <class, class>
  18. struct _LIBCPP_TEMPLATE_VIS pair;
  19. template <size_t _Ip, class _T1, class _T2>
  20. _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename tuple_element<_Ip, pair<_T1, _T2> >::type&
  21. get(pair<_T1, _T2>&) _NOEXCEPT;
  22. template <size_t _Ip, class _T1, class _T2>
  23. _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&
  24. get(const pair<_T1, _T2>&) _NOEXCEPT;
  25. #ifndef _LIBCPP_CXX03_LANG
  26. template <size_t _Ip, class _T1, class _T2>
  27. _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
  28. get(pair<_T1, _T2>&&) _NOEXCEPT;
  29. template <size_t _Ip, class _T1, class _T2>
  30. _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
  31. get(const pair<_T1, _T2>&&) _NOEXCEPT;
  32. #endif
  33. _LIBCPP_END_NAMESPACE_STD
  34. #endif // _LIBCPP___FWD_PAIR_H