| //===----------------------------------------------------------------------===// |
| // |
| // 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++03, c++11, c++14 |
| |
| // <tuple> |
| |
| // template <class T> constexpr size_t tuple_size_v = tuple_size<T>::value; |
| |
| // Expect failures with a reference type, pointer type, and a non-tuple type. |
| |
| #include <tuple> |
| |
| void f() { |
| (void)std::tuple_size_v<std::tuple<>&>; // expected-note {{requested here}} |
| (void)std::tuple_size_v<int>; // expected-note {{requested here}} |
| (void)std::tuple_size_v<std::tuple<>*>; // expected-note {{requested here}} |
| // expected-error@*:* 3 {{implicit instantiation of undefined template}} |
| } |
