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1// -*- C++ -*-2//===----------------------------------------------------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___CXX03___FUNCTIONAL_BINARY_NEGATE_H11#define _LIBCPP___CXX03___FUNCTIONAL_BINARY_NEGATE_H12 13#include <__cxx03/__config>14#include <__cxx03/__functional/binary_function.h>15 16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)17# pragma GCC system_header18#endif19 20_LIBCPP_BEGIN_NAMESPACE_STD21 22template <class _Predicate>23class _LIBCPP_TEMPLATE_VIS binary_negate24 : public __binary_function<typename _Predicate::first_argument_type,25 typename _Predicate::second_argument_type,26 bool> {27 _Predicate __pred_;28 29public:30 _LIBCPP_HIDE_FROM_ABI explicit binary_negate(const _Predicate& __pred) : __pred_(__pred) {}31 32 _LIBCPP_HIDE_FROM_ABI bool operator()(const typename _Predicate::first_argument_type& __x,33 const typename _Predicate::second_argument_type& __y) const {34 return !__pred_(__x, __y);35 }36};37 38template <class _Predicate>39inline _LIBCPP_HIDE_FROM_ABI binary_negate<_Predicate> not2(const _Predicate& __pred) {40 return binary_negate<_Predicate>(__pred);41}42 43_LIBCPP_END_NAMESPACE_STD44 45#endif // _LIBCPP___CXX03___FUNCTIONAL_BINARY_NEGATE_H46