1fe6060f1SDimitry Andric // -*- C++ -*- 2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 3fe6060f1SDimitry Andric // 4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7fe6060f1SDimitry Andric // 8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 9fe6060f1SDimitry Andric 10fe6060f1SDimitry Andric #ifndef _LIBCPP___FUNCTIONAL_BINARY_NEGATE_H 11fe6060f1SDimitry Andric #define _LIBCPP___FUNCTIONAL_BINARY_NEGATE_H 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__config> 14fe6060f1SDimitry Andric #include <__functional/binary_function.h> 15fe6060f1SDimitry Andric 16fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17fe6060f1SDimitry Andric # pragma GCC system_header 18fe6060f1SDimitry Andric #endif 19fe6060f1SDimitry Andric 20fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 21fe6060f1SDimitry Andric 22fe6060f1SDimitry Andric #if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS) 23fe6060f1SDimitry Andric 24fe6060f1SDimitry Andric template <class _Predicate> 25fe6060f1SDimitry Andric class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 binary_negate 26*81ad6265SDimitry Andric : public __binary_function<typename _Predicate::first_argument_type, 27fe6060f1SDimitry Andric typename _Predicate::second_argument_type, 28fe6060f1SDimitry Andric bool> 29fe6060f1SDimitry Andric { 30fe6060f1SDimitry Andric _Predicate __pred_; 31fe6060f1SDimitry Andric public: 32fe6060f1SDimitry Andric _LIBCPP_INLINE_VISIBILITY explicit _LIBCPP_CONSTEXPR_AFTER_CXX11 33fe6060f1SDimitry Andric binary_negate(const _Predicate& __pred) : __pred_(__pred) {} 34fe6060f1SDimitry Andric 35fe6060f1SDimitry Andric _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY 36fe6060f1SDimitry Andric bool operator()(const typename _Predicate::first_argument_type& __x, 37fe6060f1SDimitry Andric const typename _Predicate::second_argument_type& __y) const 38fe6060f1SDimitry Andric {return !__pred_(__x, __y);} 39fe6060f1SDimitry Andric }; 40fe6060f1SDimitry Andric 41fe6060f1SDimitry Andric template <class _Predicate> 42fe6060f1SDimitry Andric _LIBCPP_DEPRECATED_IN_CXX17 inline _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY 43fe6060f1SDimitry Andric binary_negate<_Predicate> 44fe6060f1SDimitry Andric not2(const _Predicate& __pred) {return binary_negate<_Predicate>(__pred);} 45fe6060f1SDimitry Andric 46fe6060f1SDimitry Andric #endif // _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS) 47fe6060f1SDimitry Andric 48fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 49fe6060f1SDimitry Andric 50fe6060f1SDimitry Andric #endif // _LIBCPP___FUNCTIONAL_BINARY_NEGATE_H 51