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_H |
10 | #define _LIBCPP___ALGORITHM_RANGES_REPLACE_H |
11 | |
12 | #include <__algorithm/ranges_replace_if.h> |
13 | #include <__config> |
14 | #include <__functional/identity.h> |
15 | #include <__functional/ranges_operations.h> |
16 | #include <__iterator/concepts.h> |
17 | #include <__iterator/projected.h> |
18 | #include <__ranges/access.h> |
19 | #include <__ranges/concepts.h> |
20 | #include <__ranges/dangling.h> |
21 | #include <__utility/move.h> |
22 | |
23 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
24 | # pragma GCC system_header |
25 | #endif |
26 | |
27 | _LIBCPP_PUSH_MACROS |
28 | #include <__undef_macros> |
29 | |
30 | #if _LIBCPP_STD_VER >= 20 |
31 | |
32 | _LIBCPP_BEGIN_NAMESPACE_STD |
33 | |
34 | namespace ranges { |
35 | namespace __replace { |
36 | struct __fn { |
37 | template <input_iterator _Iter, sentinel_for<_Iter> _Sent, class _Type1, class _Type2, class _Proj = identity> |
38 | requires indirectly_writable<_Iter, const _Type2&> && |
39 | indirect_binary_predicate<ranges::equal_to, projected<_Iter, _Proj>, const _Type1*> |
40 | _LIBCPP_HIDE_FROM_ABI constexpr _Iter operator()( |
41 | _Iter __first, _Sent __last, const _Type1& __old_value, const _Type2& __new_value, _Proj __proj = {}) const { |
42 | auto __pred = [&](const auto& __val) -> bool { return __val == __old_value; }; |
43 | return ranges::__replace_if_impl(std::move(__first), std::move(__last), __pred, __new_value, __proj); |
44 | } |
45 | |
46 | template <input_range _Range, class _Type1, class _Type2, class _Proj = identity> |
47 | requires indirectly_writable<iterator_t<_Range>, const _Type2&> && |
48 | indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type1*> |
49 | _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range> |
50 | operator()(_Range&& __range, const _Type1& __old_value, const _Type2& __new_value, _Proj __proj = {}) const { |
51 | auto __pred = [&](auto&& __val) -> bool { return __val == __old_value; }; |
52 | return ranges::__replace_if_impl(ranges::begin(__range), ranges::end(__range), __pred, __new_value, __proj); |
53 | } |
54 | }; |
55 | } // namespace __replace |
56 | |
57 | inline namespace __cpo { |
58 | inline constexpr auto replace = __replace::__fn{}; |
59 | } // namespace __cpo |
60 | } // namespace ranges |
61 | |
62 | _LIBCPP_END_NAMESPACE_STD |
63 | |
64 | #endif // _LIBCPP_STD_VER >= 20 |
65 | |
66 | _LIBCPP_POP_MACROS |
67 | |
68 | #endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_H |
69 | |