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, CopyConstructible A>
13//   mem_fun1_ref_t<S,T,A>
14//   mem_fun_ref(S (T::*f)(A));
15
16#include <functional>
17#include <cassert>
18
19struct A
20{
21    char a1() {return 5;}
22    short a2(int i) {return short(i+1);}
23    int a3() const {return 1;}
24    double a4(unsigned i) const {return i-1;}
25};
26
27int main()
28{
29    A a;
30    assert(std::mem_fun_ref(&A::a2)(a, 5) == 6);
31}
32