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 // REQUIRES: c++98 || c++03 || c++11 || c++14
11
12 // template<Returnable S, ClassType T, CopyConstructible A>
13 // mem_fun1_t<S,T,A>
14 // mem_fun(S (T::*f)(A));
15
16 #define _LIBCPP_DISABLE_DEPRECATION_WARNINGS
17
18 #include <functional>
19 #include <cassert>
20
21 #include "test_macros.h"
22
23 struct A
24 {
a1A25 char a1() {return 5;}
a2A26 short a2(int i) {return short(i+1);}
a3A27 int a3() const {return 1;}
a4A28 double a4(unsigned i) const {return i-1;}
29 };
30
main(int,char **)31 int main(int, char**)
32 {
33 A a;
34 assert(std::mem_fun(&A::a2)(&a, 5) == 6);
35
36 return 0;
37 }
38