//===----------------------------------------------------------------------===//
//
// 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
// <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>
void f() {
(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}}
}