1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <functional>
11
12// template<Returnable S, ClassType T>
13//   const_mem_fun_ref_t<S,T>
14//   mem_fun_ref(S (T::*f)() const);
15// Removed in c++17
16// UNSUPPORTED: c++98, c++03, c++11, c++14
17
18#include <functional>
19#include <cassert>
20
21#include "test_macros.h"
22
23struct A
24{
25    char a1() {return 5;}
26    short a2(int i) {return short(i+1);}
27    int a3() const {return 1;}
28    double a4(unsigned i) const {return i-1;}
29};
30
31int main()
32{
33    const A a = A();
34    assert(std::mem_fun_ref(&A::a3)(a) == 1);
35}
36