__cxx03/__fwd/pair.h

0001 //===---------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===---------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___CXX03___FWD_PAIR_H
0010 #define _LIBCPP___CXX03___FWD_PAIR_H
0011
0012 #include <__cxx03/__config>
0013 #include <__cxx03/__fwd/tuple.h>
0014 #include <__cxx03/cstddef>
0015
0016 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0017 #  pragma GCC system_header
0018 #endif
0019
0020 _LIBCPP_BEGIN_NAMESPACE_STD
0021
0022 template <class, class>
0023 struct _LIBCPP_TEMPLATE_VIS pair;
0024
0025 template <size_t _Ip, class _T1, class _T2>
0026 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename tuple_element<_Ip, pair<_T1, _T2> >::type&
0027 get(pair<_T1, _T2>&) _NOEXCEPT;
0028
0029 template <size_t _Ip, class _T1, class _T2>
0030 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&
0031 get(const pair<_T1, _T2>&) _NOEXCEPT;
0032
0033 #ifndef _LIBCPP_CXX03_LANG
0034 template <size_t _Ip, class _T1, class _T2>
0035 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
0036 get(pair<_T1, _T2>&&) _NOEXCEPT;
0037
0038 template <size_t _Ip, class _T1, class _T2>
0039 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
0040 get(const pair<_T1, _T2>&&) _NOEXCEPT;
0041 #endif
0042
0043 _LIBCPP_END_NAMESPACE_STD
0044
0045 #endif // _LIBCPP___CXX03___FWD_PAIR_H