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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// <functional>

// not1
//  deprecated in C++17

// UNSUPPORTED: clang-4.0
// UNSUPPORTED: c++98, c++03, c++11, c++14
// REQUIRES: verify-support

#include <functional>

#include "test_macros.h"

struct Predicate {
    typedef int argument_type;
    bool operator()(argument_type) const { return true; }
};

int main(int, char**) {
    std::not1(Predicate()); // expected-error{{'not1<Predicate>' is deprecated}}

  return 0;
}
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