__cxx03/__algorithm/ranges_find_if_not.h

0001 //===----------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___CXX03___ALGORITHM_RANGES_FIND_IF_NOT_H
0010 #define _LIBCPP___CXX03___ALGORITHM_RANGES_FIND_IF_NOT_H
0011
0012 #include <__cxx03/__algorithm/ranges_find_if.h>
0013 #include <__cxx03/__config>
0014 #include <__cxx03/__functional/identity.h>
0015 #include <__cxx03/__functional/invoke.h>
0016 #include <__cxx03/__functional/ranges_operations.h>
0017 #include <__cxx03/__iterator/concepts.h>
0018 #include <__cxx03/__iterator/projected.h>
0019 #include <__cxx03/__ranges/access.h>
0020 #include <__cxx03/__ranges/concepts.h>
0021 #include <__cxx03/__ranges/dangling.h>
0022 #include <__cxx03/__utility/forward.h>
0023 #include <__cxx03/__utility/move.h>
0024
0025 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0026 #  pragma GCC system_header
0027 #endif
0028
0029 _LIBCPP_PUSH_MACROS
0030 #include <__cxx03/__undef_macros>
0031
0032 #if _LIBCPP_STD_VER >= 20
0033
0034 _LIBCPP_BEGIN_NAMESPACE_STD
0035
0036 namespace ranges {
0037 namespace __find_if_not {
0038 struct __fn {
0039   template <input_iterator _Ip,
0040             sentinel_for<_Ip> _Sp,
0041             class _Proj = identity,
0042             indirect_unary_predicate<projected<_Ip, _Proj>> _Pred>
0043   [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr _Ip
0044   operator()(_Ip __first, _Sp __last, _Pred __pred, _Proj __proj = {}) const {
0045     auto __pred2 = [&](auto&& __e) -> bool { return !std::invoke(__pred, std::forward<decltype(__e)>(__e)); };
0046     return ranges::__find_if_impl(std::move(__first), std::move(__last), __pred2, __proj);
0047   }
0048
0049   template <input_range _Rp, class _Proj = identity, indirect_unary_predicate<projected<iterator_t<_Rp>, _Proj>> _Pred>
0050   [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Rp>
0051   operator()(_Rp&& __r, _Pred __pred, _Proj __proj = {}) const {
0052     auto __pred2 = [&](auto&& __e) -> bool { return !std::invoke(__pred, std::forward<decltype(__e)>(__e)); };
0053     return ranges::__find_if_impl(ranges::begin(__r), ranges::end(__r), __pred2, __proj);
0054   }
0055 };
0056 } // namespace __find_if_not
0057
0058 inline namespace __cpo {
0059 inline constexpr auto find_if_not = __find_if_not::__fn{};
0060 } // namespace __cpo
0061 } // namespace ranges
0062
0063 _LIBCPP_END_NAMESPACE_STD
0064
0065 #endif // _LIBCPP_STD_VER >= 20
0066
0067 _LIBCPP_POP_MACROS
0068
0069 #endif // _LIBCPP___CXX03___ALGORITHM_RANGES_FIND_IF_NOT_H