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 #if _LIBCPP_STD_VER > 17 && !defined (_LIBCPP_HAS_NO_INCOMPLETE_RANGES) 28 29 _LIBCPP_BEGIN_NAMESPACE_STD 30 31 namespace ranges { 32 namespace __replace { 33 struct __fn { 34 35 template <input_iterator _Iter, sentinel_for<_Iter> _Sent, 36 class _Type1, 37 class _Type2, 38 class _Proj = identity> 39 requires indirectly_writable<_Iter, const _Type2&> 40 && indirect_binary_predicate<ranges::equal_to, projected<_Iter, _Proj>, const _Type1*> 41 _LIBCPP_HIDE_FROM_ABI constexpr 42 _Iter operator()(_Iter __first, _Sent __last, 43 const _Type1& __old_value, 44 const _Type2& __new_value, 45 _Proj __proj = {}) const { 46 auto __pred = [&](const auto& __val) { return __val == __old_value; }; 47 return ranges::__replace_if_impl(std::move(__first), std::move(__last), __pred, __new_value, __proj); 48 } 49 50 template <input_range _Range, 51 class _Type1, 52 class _Type2, 53 class _Proj = identity> 54 requires indirectly_writable<iterator_t<_Range>, const _Type2&> 55 && indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type1*> 56 _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range> 57 operator()(_Range&& __range, const _Type1& __old_value, const _Type2& __new_value, _Proj __proj = {}) const { 58 auto __pred = [&](auto&& __val) { return __val == __old_value; }; 59 return ranges::__replace_if_impl(ranges::begin(__range), ranges::end(__range), __pred, __new_value, __proj); 60 } 61 62 }; 63 } // namespace __replace 64 65 inline namespace __cpo { 66 inline constexpr auto replace = __replace::__fn{}; 67 } // namespace __cpo 68 } // namespace ranges 69 70 _LIBCPP_END_NAMESPACE_STD 71 72 #endif // _LIBCPP_STD_VER > 17 && !defined (_LIBCPP_HAS_NO_INCOMPLETE_RANGES) 73 74 #endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_H 75