mirror of
https://github.com/topjohnwu/libcxx.git
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75 lines
2.5 KiB
C++
75 lines
2.5 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___ALGORITHM_RANGES_REPLACE_H
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#define _LIBCPP___ALGORITHM_RANGES_REPLACE_H
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#include <__algorithm/ranges_replace_if.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 <__iterator/concepts.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 <__ranges/dangling.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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#if _LIBCPP_STD_VER > 17
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace ranges {
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namespace __replace {
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struct __fn {
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template <input_iterator _Iter, sentinel_for<_Iter> _Sent,
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class _Type1,
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class _Type2,
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class _Proj = identity>
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requires indirectly_writable<_Iter, const _Type2&>
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&& indirect_binary_predicate<ranges::equal_to, projected<_Iter, _Proj>, const _Type1*>
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_LIBCPP_HIDE_FROM_ABI constexpr
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_Iter operator()(_Iter __first, _Sent __last,
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const _Type1& __old_value,
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const _Type2& __new_value,
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_Proj __proj = {}) const {
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auto __pred = [&](const auto& __val) { return __val == __old_value; };
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return ranges::__replace_if_impl(std::move(__first), std::move(__last), __pred, __new_value, __proj);
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}
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template <input_range _Range,
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class _Type1,
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class _Type2,
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class _Proj = identity>
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requires indirectly_writable<iterator_t<_Range>, const _Type2&>
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&& indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type1*>
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_LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range>
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operator()(_Range&& __range, const _Type1& __old_value, const _Type2& __new_value, _Proj __proj = {}) const {
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auto __pred = [&](auto&& __val) { return __val == __old_value; };
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return ranges::__replace_if_impl(ranges::begin(__range), ranges::end(__range), __pred, __new_value, __proj);
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}
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};
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} // namespace __replace
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inline namespace __cpo {
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inline constexpr auto replace = __replace::__fn{};
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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 > 17
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#endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_H
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