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 // decay
13
14 #include <type_traits>
15
16 template <class T, class U>
test_decay()17 void test_decay()
18 {
19 static_assert((std::is_same<typename std::decay<T>::type, U>::value), "");
20 #if _LIBCPP_STD_VER > 11
21 static_assert((std::is_same<std::decay_t<T>, U>::value), "");
22 #endif
23 }
24
main()25 int main()
26 {
27 test_decay<void, void>();
28 test_decay<int, int>();
29 test_decay<const volatile int, int>();
30 test_decay<int*, int*>();
31 test_decay<int[3], int*>();
32 test_decay<const int[3], const int*>();
33 test_decay<void(), void (*)()>();
34 }
35