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 // is_const
13 
14 #include <type_traits>
15 
16 template <class T>
test_is_const()17 void test_is_const()
18 {
19     static_assert(!std::is_const<T>::value, "");
20     static_assert( std::is_const<const T>::value, "");
21     static_assert(!std::is_const<volatile T>::value, "");
22     static_assert( std::is_const<const volatile T>::value, "");
23 }
24 
main()25 int main()
26 {
27     test_is_const<void>();
28     test_is_const<int>();
29     test_is_const<double>();
30     test_is_const<int*>();
31     test_is_const<const int*>();
32     test_is_const<char[3]>();
33     test_is_const<char[3]>();
34 
35     static_assert(!std::is_const<int&>::value, "");
36     static_assert(!std::is_const<const int&>::value, "");
37 }
38