1 //===----------------------------------------------------------------------===//
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
7 //===----------------------------------------------------------------------===//
9 #ifndef _LIBCPP___ALGORITHM_RANGES_FIND_IF_NOT_H
10 #define _LIBCPP___ALGORITHM_RANGES_FIND_IF_NOT_H
12 #include <__algorithm/ranges_find_if.h>
14 #include <__functional/identity.h>
15 #include <__functional/invoke.h>
16 #include <__functional/ranges_operations.h>
17 #include <__iterator/concepts.h>
18 #include <__iterator/projected.h>
19 #include <__ranges/access.h>
20 #include <__ranges/concepts.h>
21 #include <__ranges/dangling.h>
22 #include <__utility/forward.h>
23 #include <__utility/move.h>
25 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
26 # pragma GCC system_header
29 #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
31 _LIBCPP_BEGIN_NAMESPACE_STD
34 namespace __find_if_not {
36 template <input_iterator _Ip, sentinel_for<_Ip> _Sp, class _Proj = identity,
37 indirect_unary_predicate<projected<_Ip, _Proj>> _Pred>
38 _LIBCPP_HIDE_FROM_ABI constexpr
39 _Ip operator()(_Ip __first, _Sp __last, _Pred __pred, _Proj __proj = {}) const {
40 auto __pred2 = [&](auto&& __e) { return !std::invoke(__pred, std::forward<decltype(__e)>(__e)); };
41 return ranges::__find_if_impl(std::move(__first), std::move(__last), __pred2, __proj);
44 template <input_range _Rp, class _Proj = identity,
45 indirect_unary_predicate<projected<iterator_t<_Rp>, _Proj>> _Pred>
46 _LIBCPP_HIDE_FROM_ABI constexpr
47 borrowed_iterator_t<_Rp> operator()(_Rp&& __r, _Pred __pred, _Proj __proj = {}) const {
48 auto __pred2 = [&](auto&& __e) { return !std::invoke(__pred, std::forward<decltype(__e)>(__e)); };
49 return ranges::__find_if_impl(ranges::begin(__r), ranges::end(__r), __pred2, __proj);
52 } // namespace __find_if_not
54 inline namespace __cpo {
55 inline constexpr auto find_if_not = __find_if_not::__fn{};
59 _LIBCPP_END_NAMESPACE_STD
61 #endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
63 #endif // _LIBCPP___ALGORITHM_RANGES_FIND_IF_NOT_H