1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <functional>
10
11// template<Returnable S, ClassType T>
12// mem_fun_t<S,T>
13// mem_fun(S (T::*f)());
14// Removed in c++17
15
16// UNSUPPORTED: c++03, c++11, c++14
17// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
18
19#include <functional>
20#include <cassert>
21
22#include "test_macros.h"
23
24struct A
25{
26 char a1() {return 5;}
27 short a2(int i) {return short(i+1);}
28 int a3() const {return 1;}
29 double a4(unsigned i) const {return i-1;}
30};
31
32int main(int, char**)
33{
34 A a;
35 assert(std::mem_fun(&A::a1)(&a) == 5);
36
37 return 0;
38}
39

source code of libcxx/test/std/depr/depr.function.objects/depr.adaptors/depr.member.pointer.adaptors/mem_fun.cxx1z.compile.fail.cpp