//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// mem_fun1_ref_t
// Removed in c++17
// UNSUPPORTED: c++98, c++03, c++11, c++14

#include <functional>
#include <type_traits>
#include <cassert>

#include "test_macros.h"

struct A
{
    char a1() {return 5;}
    short a2(int i) {return short(i+1);}
    int a3() const {return 1;}
    double a4(unsigned i) const {return i-1;}
};

int main()
{
    typedef std::mem_fun1_ref_t<short, A, int> F;
}