xref: /freebsd-src/contrib/llvm-project/libcxx/include/__algorithm/ranges_replace.h (revision b3edf4467982447620505a28fc82e38a414c07dc)
181ad6265SDimitry Andric //===----------------------------------------------------------------------===//
281ad6265SDimitry Andric //
381ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
481ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
581ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
681ad6265SDimitry Andric //
781ad6265SDimitry Andric //===----------------------------------------------------------------------===//
881ad6265SDimitry Andric 
981ad6265SDimitry Andric #ifndef _LIBCPP___ALGORITHM_RANGES_REPLACE_H
1081ad6265SDimitry Andric #define _LIBCPP___ALGORITHM_RANGES_REPLACE_H
1181ad6265SDimitry Andric 
1281ad6265SDimitry Andric #include <__algorithm/ranges_replace_if.h>
1381ad6265SDimitry Andric #include <__config>
1481ad6265SDimitry Andric #include <__functional/identity.h>
1581ad6265SDimitry Andric #include <__functional/ranges_operations.h>
1681ad6265SDimitry Andric #include <__iterator/concepts.h>
1781ad6265SDimitry Andric #include <__iterator/projected.h>
1881ad6265SDimitry Andric #include <__ranges/access.h>
1981ad6265SDimitry Andric #include <__ranges/concepts.h>
2081ad6265SDimitry Andric #include <__ranges/dangling.h>
2181ad6265SDimitry Andric #include <__utility/move.h>
2281ad6265SDimitry Andric 
2381ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
2481ad6265SDimitry Andric #  pragma GCC system_header
2581ad6265SDimitry Andric #endif
2681ad6265SDimitry Andric 
27*b3edf446SDimitry Andric _LIBCPP_PUSH_MACROS
28*b3edf446SDimitry Andric #include <__undef_macros>
29*b3edf446SDimitry Andric 
3006c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20
3181ad6265SDimitry Andric 
3281ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
3381ad6265SDimitry Andric 
3481ad6265SDimitry Andric namespace ranges {
3581ad6265SDimitry Andric namespace __replace {
3681ad6265SDimitry Andric struct __fn {
3706c3fb27SDimitry Andric   template <input_iterator _Iter, sentinel_for<_Iter> _Sent, class _Type1, class _Type2, class _Proj = identity>
3806c3fb27SDimitry Andric     requires indirectly_writable<_Iter, const _Type2&> &&
3906c3fb27SDimitry Andric              indirect_binary_predicate<ranges::equal_to, projected<_Iter, _Proj>, const _Type1*>
operator__fn4006c3fb27SDimitry Andric   _LIBCPP_HIDE_FROM_ABI constexpr _Iter operator()(
4106c3fb27SDimitry Andric       _Iter __first, _Sent __last, const _Type1& __old_value, const _Type2& __new_value, _Proj __proj = {}) const {
425f757f3fSDimitry Andric     auto __pred = [&](const auto& __val) -> bool { return __val == __old_value; };
4381ad6265SDimitry Andric     return ranges::__replace_if_impl(std::move(__first), std::move(__last), __pred, __new_value, __proj);
4481ad6265SDimitry Andric   }
4581ad6265SDimitry Andric 
4606c3fb27SDimitry Andric   template <input_range _Range, class _Type1, class _Type2, class _Proj = identity>
4706c3fb27SDimitry Andric     requires indirectly_writable<iterator_t<_Range>, const _Type2&> &&
4806c3fb27SDimitry Andric              indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type1*>
4981ad6265SDimitry Andric   _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range>
operator__fn5081ad6265SDimitry Andric   operator()(_Range&& __range, const _Type1& __old_value, const _Type2& __new_value, _Proj __proj = {}) const {
515f757f3fSDimitry Andric     auto __pred = [&](auto&& __val) -> bool { return __val == __old_value; };
5281ad6265SDimitry Andric     return ranges::__replace_if_impl(ranges::begin(__range), ranges::end(__range), __pred, __new_value, __proj);
5381ad6265SDimitry Andric   }
5481ad6265SDimitry Andric };
5581ad6265SDimitry Andric } // namespace __replace
5681ad6265SDimitry Andric 
5781ad6265SDimitry Andric inline namespace __cpo {
5881ad6265SDimitry Andric inline constexpr auto replace = __replace::__fn{};
5981ad6265SDimitry Andric } // namespace __cpo
6081ad6265SDimitry Andric } // namespace ranges
6181ad6265SDimitry Andric 
6281ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD
6381ad6265SDimitry Andric 
6406c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20
6581ad6265SDimitry Andric 
66*b3edf446SDimitry Andric _LIBCPP_POP_MACROS
67*b3edf446SDimitry Andric 
6881ad6265SDimitry Andric #endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_H
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