1bdd1243dSDimitry Andric //===---------------------------------------------------------------------===// 2bdd1243dSDimitry Andric // 3bdd1243dSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4bdd1243dSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5bdd1243dSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6bdd1243dSDimitry Andric // 7bdd1243dSDimitry Andric //===---------------------------------------------------------------------===// 8bdd1243dSDimitry Andric 9bdd1243dSDimitry Andric #ifndef _LIBCPP___FWD_PAIR_H 10bdd1243dSDimitry Andric #define _LIBCPP___FWD_PAIR_H 11bdd1243dSDimitry Andric 12bdd1243dSDimitry Andric #include <__config> 13*0fca6ea1SDimitry Andric #include <__fwd/tuple.h> 14*0fca6ea1SDimitry Andric #include <cstddef> 15bdd1243dSDimitry Andric 16bdd1243dSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17bdd1243dSDimitry Andric # pragma GCC system_header 18bdd1243dSDimitry Andric #endif 19bdd1243dSDimitry Andric 20bdd1243dSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 21bdd1243dSDimitry Andric 22bdd1243dSDimitry Andric template <class, class> 23bdd1243dSDimitry Andric struct _LIBCPP_TEMPLATE_VIS pair; 24bdd1243dSDimitry Andric 25*0fca6ea1SDimitry Andric template <size_t _Ip, class _T1, class _T2> 26*0fca6ea1SDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename tuple_element<_Ip, pair<_T1, _T2> >::type& 27*0fca6ea1SDimitry Andric get(pair<_T1, _T2>&) _NOEXCEPT; 28*0fca6ea1SDimitry Andric 29*0fca6ea1SDimitry Andric template <size_t _Ip, class _T1, class _T2> 30*0fca6ea1SDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const typename tuple_element<_Ip, pair<_T1, _T2> >::type& 31*0fca6ea1SDimitry Andric get(const pair<_T1, _T2>&) _NOEXCEPT; 32*0fca6ea1SDimitry Andric 33*0fca6ea1SDimitry Andric #ifndef _LIBCPP_CXX03_LANG 34*0fca6ea1SDimitry Andric template <size_t _Ip, class _T1, class _T2> 35*0fca6ea1SDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename tuple_element<_Ip, pair<_T1, _T2> >::type&& 36*0fca6ea1SDimitry Andric get(pair<_T1, _T2>&&) _NOEXCEPT; 37*0fca6ea1SDimitry Andric 38*0fca6ea1SDimitry Andric template <size_t _Ip, class _T1, class _T2> 39*0fca6ea1SDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&& 40*0fca6ea1SDimitry Andric get(const pair<_T1, _T2>&&) _NOEXCEPT; 41*0fca6ea1SDimitry Andric #endif 42*0fca6ea1SDimitry Andric 43bdd1243dSDimitry Andric _LIBCPP_END_NAMESPACE_STD 44bdd1243dSDimitry Andric 45bdd1243dSDimitry Andric #endif // _LIBCPP___FWD_PAIR_H 46