| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <tuple> |
| |
| // template <class... Types> class tuple; |
| |
| // template <size_t I, class... Types> |
| // const typename tuple_element<I, tuple<Types...> >::type&& |
| // get(const tuple<Types...>&& t); |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| #include <tuple> |
| |
| template <class T> void cref(T const&) {}; |
| template <class T> void cref(T const&&) = delete; |
| |
| std::tuple<int> const tup4() { return std::make_tuple(4); } |
| |
| int main() |
| { |
| // LWG2485: tuple should not open a hole in the type system, get() should |
| // imitate [expr.ref]'s rules for accessing data members |
| { |
| cref(std::get<0>(tup4())); // expected-error {{call to deleted function 'cref'}} |
| } |
| } |
