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 //   mem_fun_ref_t<S,T>
14 //   mem_fun_ref(S (T::*f)());
15 
16 #include <functional>
17 #include <cassert>
18 
19 struct 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 
27 int main()
28 {
29     A a;
30     assert(std::mem_fun_ref(&A::a1)(a) == 5);
31 }
32