1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <utility> 10 11 // template <class T> typename add_rvalue_reference<T>::type declval() noexcept; 12 13 #include <utility> 14 #include <type_traits> 15 16 #include "test_macros.h" 17 18 class A 19 { 20 A(const A&); 21 A& operator=(const A&); 22 }; 23 main(int,char **)24int main(int, char**) 25 { 26 static_assert((std::is_same<decltype(std::declval<A>()), A&&>::value), ""); 27 28 return 0; 29 } 30