| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <tuple> |
| |
| // template <class... Types> |
| // class tuple_size<tuple<Types...>> |
| // : public integral_constant<size_t, sizeof...(Types)> { }; |
| |
| // Expect failures with a reference type, pointer type, and a non-tuple type. |
| |
| #include <tuple> |
| |
| int main() |
| { |
| (void)std::tuple_size<std::tuple<> &>::value; // expected-error {{implicit instantiation of undefined template}} |
| (void)std::tuple_size<int>::value; // expected-error {{implicit instantiation of undefined template}} |
| (void)std::tuple_size<std::tuple<>*>::value; // expected-error {{implicit instantiation of undefined template}} |
| } |
