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//===----------------------------------------------------------------------===//
//
// 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}}
}
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