1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===//
2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//
3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//                     The LLVM Compiler Infrastructure
4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//
5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open
6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details.
7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//
8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===//
9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <functional>
11c79549b70e66c251c15dd145c964edb70fa2e2b3Dan Albert// REQUIRES: c++98 || c++03 || c++11 || c++14
12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// template<cReturnable S, ClassType T>
14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//   const_mem_fun_t<S,T>
15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//   mem_fun(S (T::*f)() const);
16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <functional>
18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert>
19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantstruct A
21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{
22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    char a1() {return 5;}
23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    short a2(int i) {return short(i+1);}
24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    int a3() const {return 1;}
25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    double a4(unsigned i) const {return i-1;}
26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant};
27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant
28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main()
29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{
30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    const A a = A();
31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant    assert(std::mem_fun(&A::a3)(&a) == 1);
32c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}
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