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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support for C++03 for Zig due to the first change; it would be insane to ship 1018 duplicate header files just for this outdated use case.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.
65 lines
2.2 KiB
C++
Vendored
65 lines
2.2 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___ALGORITHM_RANGES_CONTAINS_H
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#define _LIBCPP___ALGORITHM_RANGES_CONTAINS_H
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#include <__algorithm/ranges_find.h>
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#include <__config>
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#include <__functional/identity.h>
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#include <__functional/ranges_operations.h>
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#include <__functional/reference_wrapper.h>
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#include <__iterator/concepts.h>
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#include <__iterator/indirectly_comparable.h>
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#include <__iterator/projected.h>
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#include <__ranges/access.h>
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#include <__ranges/concepts.h>
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#include <__utility/move.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_PUSH_MACROS
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#include <__undef_macros>
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#if _LIBCPP_STD_VER >= 23
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace ranges {
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struct __contains {
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template <input_iterator _Iter, sentinel_for<_Iter> _Sent, class _Type, class _Proj = identity>
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requires indirect_binary_predicate<ranges::equal_to, projected<_Iter, _Proj>, const _Type*>
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[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool static
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operator()(_Iter __first, _Sent __last, const _Type& __value, _Proj __proj = {}) {
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return ranges::find(std::move(__first), __last, __value, std::ref(__proj)) != __last;
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}
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template <input_range _Range, class _Type, class _Proj = identity>
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requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type*>
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[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool static
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operator()(_Range&& __range, const _Type& __value, _Proj __proj = {}) {
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return ranges::find(ranges::begin(__range), ranges::end(__range), __value, std::ref(__proj)) !=
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ranges::end(__range);
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}
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};
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inline namespace __cpo {
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inline constexpr auto contains = __contains{};
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} // namespace __cpo
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} // namespace ranges
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_STD_VER >= 23
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___ALGORITHM_RANGES_CONTAINS_H
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