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