53f11dd4d6
Before this patch, we were dereferencing pointers to objects which were never constructed. Now we always assume that nodes store `pair<const KeyT, ValueT>` for maps instead, as they actually do. This patch also allows for significant follow-up simplifications, since `__node_value_type` and `__container_value_type` are the same type now.
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
//===---------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===---------------------------------------------------------------------===//
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#ifndef _LIBCPP___FWD_PAIR_H
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#define _LIBCPP___FWD_PAIR_H
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#include <__config>
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#include <__cstddef/size_t.h>
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#include <__fwd/tuple.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class, class>
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struct pair;
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template <class _Type>
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inline const bool __is_pair_v = false;
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template <class _Type1, class _Type2>
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inline const bool __is_pair_v<pair<_Type1, _Type2> > = true;
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template <size_t _Ip, class _T1, class _T2>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename tuple_element<_Ip, pair<_T1, _T2> >::type&
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get(pair<_T1, _T2>&) _NOEXCEPT;
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template <size_t _Ip, class _T1, class _T2>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&
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get(const pair<_T1, _T2>&) _NOEXCEPT;
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#ifndef _LIBCPP_CXX03_LANG
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template <size_t _Ip, class _T1, class _T2>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
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get(pair<_T1, _T2>&&) _NOEXCEPT;
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template <size_t _Ip, class _T1, class _T2>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
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get(const pair<_T1, _T2>&&) _NOEXCEPT;
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#endif
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___FWD_PAIR_H
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