remove_ref.pass.cpp revision 933afa9761c1c1f916161278a99284d50a594939 
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// type_traits
11
12// remove_reference
13
14#include <type_traits>
15
16template <class T, class U>
17void test_remove_reference()
18{
19    static_assert((std::is_same<typename std::remove_reference<T>::type, U>::value), "");
20#if _LIBCPP_STD_VER > 11
21    static_assert((std::is_same<std::remove_reference_t<T>, U>::value), "");
22#endif
23}
24
25int main()
26{
27    test_remove_reference<void, void>();
28    test_remove_reference<int, int>();
29    test_remove_reference<int[3], int[3]>();
30    test_remove_reference<int*, int*>();
31    test_remove_reference<const int*, const int*>();
32
33    test_remove_reference<int&, int>();
34    test_remove_reference<const int&, const int>();
35    test_remove_reference<int(&)[3], int[3]>();
36    test_remove_reference<int*&, int*>();
37    test_remove_reference<const int*&, const int*>();
38
39#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
40    test_remove_reference<int&&, int>();
41    test_remove_reference<const int&&, const int>();
42    test_remove_reference<int(&&)[3], int[3]>();
43    test_remove_reference<int*&&, int*>();
44    test_remove_reference<const int*&&, const int*>();
45#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
46}
47