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_const
13 
14 #include <type_traits>
15 
16 template <class T, class U>
test_remove_const_imp()17 void test_remove_const_imp()
18 {
19     static_assert((std::is_same<typename std::remove_const<T>::type, U>::value), "");
20 #if _LIBCPP_STD_VER > 11
21     static_assert((std::is_same<std::remove_const_t<T>, U>::value), "");
22 #endif
23 }
24 
25 template <class T>
test_remove_const()26 void test_remove_const()
27 {
28     test_remove_const_imp<T, T>();
29     test_remove_const_imp<const T, T>();
30     test_remove_const_imp<volatile T, volatile T>();
31     test_remove_const_imp<const volatile T, volatile T>();
32 }
33 
main()34 int main()
35 {
36     test_remove_const<void>();
37     test_remove_const<int>();
38     test_remove_const<int[3]>();
39     test_remove_const<int&>();
40     test_remove_const<const int&>();
41     test_remove_const<int*>();
42     test_remove_const<const int*>();
43 }
44