//===----------------------------------------------------------------------===//
//
// 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>
// XFAIL: c++98, c++03, c++11, c++14

// class function<R(ArgTypes...)>

// template<class A> function(allocator_arg_t, const A&, const function&);
//
// This signature was removed in C++17


#include <functional>
#include <cassert>

#include "test_macros.h"

int main(int, char**)
{
    typedef std::function<void(int)> F;
    F f1;
    F f2(std::allocator_arg, std::allocator<int>(), f1);

  return 0;
}