test/std/depr/depr.function.objects/depr.adaptors/depr.member.pointer.adaptors/const_mem_fun_ref1.cxx1z.fail.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

//===----------------------------------------------------------------------===//
//
//                     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>

// template<Returnable S, ClassType T, CopyConstructible A>
//   const_mem_fun1_ref_t<S,T,A>
//   mem_fun_ref(S (T::*f)(A) const);
// Removed in c++17
// UNSUPPORTED: c++98, c++03, c++11, c++14

#include <functional>
#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()
{
    const A a = A();
    assert(std::mem_fun_ref(&A::a4)(a, 6) == 5);
}