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156ab87500
See: * https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc/77319 * https://discourse.llvm.org/t/rfc-project-hand-in-hand-llvm-libc-libc-code-sharing/77701 We're dropping support for C++03 for Zig due to the first change; it would be insane to ship 1018 duplicate header files just for this outdated use case. As a result of the second change, I had to bring in a subset of the headers from llvm-libc since libc++ now depends on these. Hopefully we can continue to get away with not copying the entirety of llvm-libc.
71 lines
2.5 KiB
C++
Vendored
71 lines
2.5 KiB
C++
Vendored
//===----------------------------------------------------------------------===//
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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___VECTOR_COMPARISON_H
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#define _LIBCPP___VECTOR_COMPARISON_H
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#include <__algorithm/equal.h>
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#include <__algorithm/lexicographical_compare.h>
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#include <__algorithm/lexicographical_compare_three_way.h>
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#include <__compare/synth_three_way.h>
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#include <__config>
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#include <__fwd/vector.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 _Tp, class _Allocator>
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_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI bool
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operator==(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
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const typename vector<_Tp, _Allocator>::size_type __sz = __x.size();
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return __sz == __y.size() && std::equal(__x.begin(), __x.end(), __y.begin());
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}
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#if _LIBCPP_STD_VER <= 17
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template <class _Tp, class _Allocator>
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inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
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return !(__x == __y);
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}
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template <class _Tp, class _Allocator>
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inline _LIBCPP_HIDE_FROM_ABI bool operator<(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
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return std::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
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}
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template <class _Tp, class _Allocator>
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inline _LIBCPP_HIDE_FROM_ABI bool operator>(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
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return __y < __x;
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}
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template <class _Tp, class _Allocator>
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inline _LIBCPP_HIDE_FROM_ABI bool operator>=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
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return !(__x < __y);
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}
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template <class _Tp, class _Allocator>
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inline _LIBCPP_HIDE_FROM_ABI bool operator<=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
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return !(__y < __x);
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}
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#else // _LIBCPP_STD_VER <= 17
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template <class _Tp, class _Allocator>
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_LIBCPP_HIDE_FROM_ABI constexpr __synth_three_way_result<_Tp>
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operator<=>(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
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return std::lexicographical_compare_three_way(__x.begin(), __x.end(), __y.begin(), __y.end(), std::__synth_three_way);
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}
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#endif // _LIBCPP_STD_VER <= 17
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___VECTOR_COMPARISON_H
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