You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
791 B
33 lines
791 B
4 months ago
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
||
|
|
// Source Licenses. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
// <utility>
|
||
|
|
|
||
|
|
// template <class T> typename add_rvalue_reference<T>::type declval() noexcept;
|
||
|
|
|
||
|
|
#include <utility>
|
||
|
|
#include <type_traits>
|
||
|
|
|
||
|
|
#include "test_macros.h"
|
||
|
|
|
||
|
|
class A
|
||
|
|
{
|
||
|
|
A(const A&);
|
||
|
|
A& operator=(const A&);
|
||
|
|
};
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
#if TEST_STD_VER >= 11
|
||
|
|
static_assert((std::is_same<decltype(std::declval<A>()), A&&>::value), "");
|
||
|
|
#else
|
||
|
|
static_assert((std::is_same<decltype(std::declval<A>()), A&>::value), "");
|
||
|
|
#endif
|
||
|
|
}
|