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 // reference_wrapper
13
14 // check for member typedef type
15
16 #include <functional>
17 #include <type_traits>
18
19 class C {};
20
main()21 int main()
22 {
23 static_assert((std::is_same<std::reference_wrapper<C>::type,
24 C>::value), "");
25 static_assert((std::is_same<std::reference_wrapper<void ()>::type,
26 void ()>::value), "");
27 static_assert((std::is_same<std::reference_wrapper<int* (double*)>::type,
28 int* (double*)>::value), "");
29 static_assert((std::is_same<std::reference_wrapper<void(*)()>::type,
30 void(*)()>::value), "");
31 static_assert((std::is_same<std::reference_wrapper<int*(*)(double*)>::type,
32 int*(*)(double*)>::value), "");
33 static_assert((std::is_same<std::reference_wrapper<int*(C::*)(double*)>::type,
34 int*(C::*)(double*)>::value), "");
35 static_assert((std::is_same<std::reference_wrapper<int (C::*)(double*) const volatile>::type,
36 int (C::*)(double*) const volatile>::value), "");
37 }
38