| //===----------------------------------------------------------------------===// |
| // |
| // 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, ""); |
| } |
