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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: c++03, c++11, c++14
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS
#include <functional>
struct Predicate {
typedef int argument_type;
bool operator()(argument_type) const { return true; }
};
void f() {
std::not1(Predicate()); // expected-warning {{'not1<Predicate>' is deprecated}}
}
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