| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // 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(int, char**) |
| { |
| (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}} |
| |
| return 0; |
| } |