xref: /openbsd-src/gnu/llvm/libcxx/include/__algorithm/ranges_none_of.h (revision 4bdff4bed0e3d54e55670334c7d0077db4170f86)
1*4bdff4beSrobert //===----------------------------------------------------------------------===//
2*4bdff4beSrobert //
3*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information.
5*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*4bdff4beSrobert //
7*4bdff4beSrobert //===----------------------------------------------------------------------===//
8*4bdff4beSrobert 
9*4bdff4beSrobert #ifndef _LIBCPP___ALGORITHM_RANGES_NONE_OF_H
10*4bdff4beSrobert #define _LIBCPP___ALGORITHM_RANGES_NONE_OF_H
11*4bdff4beSrobert 
12*4bdff4beSrobert #include <__config>
13*4bdff4beSrobert #include <__functional/identity.h>
14*4bdff4beSrobert #include <__functional/invoke.h>
15*4bdff4beSrobert #include <__iterator/concepts.h>
16*4bdff4beSrobert #include <__iterator/projected.h>
17*4bdff4beSrobert #include <__ranges/access.h>
18*4bdff4beSrobert #include <__ranges/concepts.h>
19*4bdff4beSrobert #include <__utility/move.h>
20*4bdff4beSrobert 
21*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
22*4bdff4beSrobert #  pragma GCC system_header
23*4bdff4beSrobert #endif
24*4bdff4beSrobert 
25*4bdff4beSrobert #if _LIBCPP_STD_VER > 17
26*4bdff4beSrobert 
27*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD
28*4bdff4beSrobert 
29*4bdff4beSrobert namespace ranges {
30*4bdff4beSrobert namespace __none_of {
31*4bdff4beSrobert struct __fn {
32*4bdff4beSrobert 
33*4bdff4beSrobert   template <class _Iter, class _Sent, class _Proj, class _Pred>
34*4bdff4beSrobert   _LIBCPP_HIDE_FROM_ABI constexpr static
__none_of_impl__fn35*4bdff4beSrobert   bool __none_of_impl(_Iter __first, _Sent __last, _Pred& __pred, _Proj& __proj) {
36*4bdff4beSrobert     for (; __first != __last; ++__first) {
37*4bdff4beSrobert       if (std::invoke(__pred, std::invoke(__proj, *__first)))
38*4bdff4beSrobert         return false;
39*4bdff4beSrobert     }
40*4bdff4beSrobert     return true;
41*4bdff4beSrobert   }
42*4bdff4beSrobert 
43*4bdff4beSrobert   template <input_iterator _Iter, sentinel_for<_Iter> _Sent, class _Proj = identity,
44*4bdff4beSrobert             indirect_unary_predicate<projected<_Iter, _Proj>> _Pred>
45*4bdff4beSrobert   _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr
operator__fn46*4bdff4beSrobert   bool operator()(_Iter __first, _Sent __last, _Pred __pred = {}, _Proj __proj = {}) const {
47*4bdff4beSrobert     return __none_of_impl(std::move(__first), std::move(__last), __pred, __proj);
48*4bdff4beSrobert   }
49*4bdff4beSrobert 
50*4bdff4beSrobert   template <input_range _Range, class _Proj = identity,
51*4bdff4beSrobert             indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred>
52*4bdff4beSrobert   _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr
operator__fn53*4bdff4beSrobert   bool operator()(_Range&& __range, _Pred __pred, _Proj __proj = {}) const {
54*4bdff4beSrobert     return __none_of_impl(ranges::begin(__range), ranges::end(__range), __pred, __proj);
55*4bdff4beSrobert   }
56*4bdff4beSrobert };
57*4bdff4beSrobert } // namespace __none_of
58*4bdff4beSrobert 
59*4bdff4beSrobert inline namespace __cpo {
60*4bdff4beSrobert   inline constexpr auto none_of = __none_of::__fn{};
61*4bdff4beSrobert } // namespace __cpo
62*4bdff4beSrobert } // namespace ranges
63*4bdff4beSrobert 
64*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD
65*4bdff4beSrobert 
66*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17
67*4bdff4beSrobert 
68*4bdff4beSrobert #endif // _LIBCPP___ALGORITHM_RANGES_NONE_OF_H
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