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1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_H
10#define _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_H
11
12#include <__algorithm/in_out_result.h>
13#include <__algorithm/ranges_replace_copy_if.h>
14#include <__config>
15#include <__functional/identity.h>
16#include <__functional/invoke.h>
17#include <__functional/ranges_operations.h>
18#include <__iterator/concepts.h>
19#include <__iterator/projected.h>
20#include <__ranges/access.h>
21#include <__ranges/concepts.h>
22#include <__ranges/dangling.h>
23#include <__utility/move.h>
24
25#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
26# pragma GCC system_header
27#endif
28
29_LIBCPP_PUSH_MACROS
30#include <__undef_macros>
31
32#if _LIBCPP_STD_VER >= 20
33
34_LIBCPP_BEGIN_NAMESPACE_STD
35
36namespace ranges {
37
38template <class _InIter, class _OutIter>
39using replace_copy_result = in_out_result<_InIter, _OutIter>;
40
41struct __replace_copy {
42 template <input_iterator _InIter,
43 sentinel_for<_InIter> _Sent,
44 class _OldType,
45 class _NewType,
46 output_iterator<const _NewType&> _OutIter,
47 class _Proj = identity>
48 requires indirectly_copyable<_InIter, _OutIter> &&
49 indirect_binary_predicate<ranges::equal_to, projected<_InIter, _Proj>, const _OldType*>
50 _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_result<_InIter, _OutIter>
51 operator()(_InIter __first,
52 _Sent __last,
53 _OutIter __result,
54 const _OldType& __old_value,
55 const _NewType& __new_value,
56 _Proj __proj = {}) const {
57 auto __pred = [&](const auto& __value) -> bool { return __value == __old_value; };
58 return ranges::__replace_copy_if_impl(
59 std::move(__first), std::move(__last), std::move(__result), __pred, __new_value, __proj);
60 }
61
62 template <input_range _Range,
63 class _OldType,
64 class _NewType,
65 output_iterator<const _NewType&> _OutIter,
66 class _Proj = identity>
67 requires indirectly_copyable<iterator_t<_Range>, _OutIter> &&
68 indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _OldType*>
69 _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_result<borrowed_iterator_t<_Range>, _OutIter> operator()(
70 _Range&& __range, _OutIter __result, const _OldType& __old_value, const _NewType& __new_value, _Proj __proj = {})
71 const {
72 auto __pred = [&](const auto& __value) -> bool { return __value == __old_value; };
73 return ranges::__replace_copy_if_impl(
74 ranges::begin(__range), ranges::end(__range), std::move(__result), __pred, __new_value, __proj);
75 }
76};
77
78inline namespace __cpo {
79inline constexpr auto replace_copy = __replace_copy{};
80} // namespace __cpo
81} // namespace ranges
82
83_LIBCPP_END_NAMESPACE_STD
84
85#endif // _LIBCPP_STD_VER >= 20
86
87_LIBCPP_POP_MACROS
88
89#endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_H
90

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source code of libcxx/include/__algorithm/ranges_replace_copy.h