xref: /freebsd-src/contrib/llvm-project/libcxx/include/__algorithm/ranges_replace_copy.h (revision b3edf4467982447620505a28fc82e38a414c07dc)
1753f127fSDimitry Andric //===----------------------------------------------------------------------===//
2753f127fSDimitry Andric //
3753f127fSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4753f127fSDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5753f127fSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6753f127fSDimitry Andric //
7753f127fSDimitry Andric //===----------------------------------------------------------------------===//
8753f127fSDimitry Andric 
9753f127fSDimitry Andric #ifndef _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_H
10753f127fSDimitry Andric #define _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_H
11753f127fSDimitry Andric 
12753f127fSDimitry Andric #include <__algorithm/in_out_result.h>
1361cfbce3SDimitry Andric #include <__algorithm/ranges_replace_copy_if.h>
14753f127fSDimitry Andric #include <__config>
15753f127fSDimitry Andric #include <__functional/identity.h>
16753f127fSDimitry Andric #include <__functional/invoke.h>
17753f127fSDimitry Andric #include <__functional/ranges_operations.h>
18753f127fSDimitry Andric #include <__iterator/concepts.h>
19753f127fSDimitry Andric #include <__iterator/projected.h>
20753f127fSDimitry Andric #include <__ranges/access.h>
21753f127fSDimitry Andric #include <__ranges/concepts.h>
22753f127fSDimitry Andric #include <__ranges/dangling.h>
23753f127fSDimitry Andric #include <__utility/move.h>
24753f127fSDimitry Andric 
25753f127fSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
26753f127fSDimitry Andric #  pragma GCC system_header
27753f127fSDimitry Andric #endif
28753f127fSDimitry Andric 
29*b3edf446SDimitry Andric _LIBCPP_PUSH_MACROS
30*b3edf446SDimitry Andric #include <__undef_macros>
31*b3edf446SDimitry Andric 
3206c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20
33753f127fSDimitry Andric 
34753f127fSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
35753f127fSDimitry Andric 
36753f127fSDimitry Andric namespace ranges {
37753f127fSDimitry Andric 
38753f127fSDimitry Andric template <class _InIter, class _OutIter>
39753f127fSDimitry Andric using replace_copy_result = in_out_result<_InIter, _OutIter>;
40753f127fSDimitry Andric 
41753f127fSDimitry Andric namespace __replace_copy {
42753f127fSDimitry Andric 
43753f127fSDimitry Andric struct __fn {
4461cfbce3SDimitry Andric   template <input_iterator _InIter,
4561cfbce3SDimitry Andric             sentinel_for<_InIter> _Sent,
4661cfbce3SDimitry Andric             class _OldType,
4761cfbce3SDimitry Andric             class _NewType,
4861cfbce3SDimitry Andric             output_iterator<const _NewType&> _OutIter,
4961cfbce3SDimitry Andric             class _Proj = identity>
50753f127fSDimitry Andric     requires indirectly_copyable<_InIter, _OutIter> &&
5161cfbce3SDimitry Andric              indirect_binary_predicate<ranges::equal_to, projected<_InIter, _Proj>, const _OldType*>
5261cfbce3SDimitry Andric   _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_result<_InIter, _OutIter>
operator__fn5361cfbce3SDimitry Andric   operator()(_InIter __first,
5461cfbce3SDimitry Andric              _Sent __last,
5561cfbce3SDimitry Andric              _OutIter __result,
5661cfbce3SDimitry Andric              const _OldType& __old_value,
5761cfbce3SDimitry Andric              const _NewType& __new_value,
58753f127fSDimitry Andric              _Proj __proj = {}) const {
595f757f3fSDimitry Andric     auto __pred = [&](const auto& __value) -> bool { return __value == __old_value; };
6061cfbce3SDimitry Andric     return ranges::__replace_copy_if_impl(
6161cfbce3SDimitry Andric         std::move(__first), std::move(__last), std::move(__result), __pred, __new_value, __proj);
62753f127fSDimitry Andric   }
63753f127fSDimitry Andric 
6461cfbce3SDimitry Andric   template <input_range _Range,
6561cfbce3SDimitry Andric             class _OldType,
6661cfbce3SDimitry Andric             class _NewType,
6761cfbce3SDimitry Andric             output_iterator<const _NewType&> _OutIter,
68753f127fSDimitry Andric             class _Proj = identity>
69753f127fSDimitry Andric     requires indirectly_copyable<iterator_t<_Range>, _OutIter> &&
7061cfbce3SDimitry Andric              indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _OldType*>
operator__fn7106c3fb27SDimitry Andric   _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_result<borrowed_iterator_t<_Range>, _OutIter> operator()(
7206c3fb27SDimitry Andric       _Range&& __range, _OutIter __result, const _OldType& __old_value, const _NewType& __new_value, _Proj __proj = {})
7306c3fb27SDimitry Andric       const {
745f757f3fSDimitry Andric     auto __pred = [&](const auto& __value) -> bool { return __value == __old_value; };
7561cfbce3SDimitry Andric     return ranges::__replace_copy_if_impl(
7661cfbce3SDimitry Andric         ranges::begin(__range), ranges::end(__range), std::move(__result), __pred, __new_value, __proj);
77753f127fSDimitry Andric   }
78753f127fSDimitry Andric };
79753f127fSDimitry Andric 
80753f127fSDimitry Andric } // namespace __replace_copy
81753f127fSDimitry Andric 
82753f127fSDimitry Andric inline namespace __cpo {
83753f127fSDimitry Andric inline constexpr auto replace_copy = __replace_copy::__fn{};
84753f127fSDimitry Andric } // namespace __cpo
85753f127fSDimitry Andric } // namespace ranges
86753f127fSDimitry Andric 
87753f127fSDimitry Andric _LIBCPP_END_NAMESPACE_STD
88753f127fSDimitry Andric 
8906c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20
90753f127fSDimitry Andric 
91*b3edf446SDimitry Andric _LIBCPP_POP_MACROS
92*b3edf446SDimitry Andric 
93753f127fSDimitry Andric #endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_H
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