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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;
// ~tuple();
// C++17 added:
// The destructor of tuple shall be a trivial destructor
// if (is_trivially_destructible_v<Types> && ...) is true.
#include <tuple>
#include <string>
#include <cassert>
#include <type_traits>
int main()
{
static_assert(std::is_trivially_destructible<
std::tuple<> >::value, "");
static_assert(std::is_trivially_destructible<
std::tuple<void*> >::value, "");
static_assert(std::is_trivially_destructible<
std::tuple<int, float> >::value, "");
static_assert(!std::is_trivially_destructible<
std::tuple<std::string> >::value, "");
static_assert(!std::is_trivially_destructible<
std::tuple<int, std::string> >::value, "");
}
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