1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++98, c++03 10 11 // <tuple> 12 13 // template <class... Types> class tuple; 14 15 // ~tuple(); 16 17 // C++17 added: 18 // The destructor of tuple shall be a trivial destructor 19 // if (is_trivially_destructible_v<Types> && ...) is true. 20 21 #include <tuple> 22 #include <string> 23 #include <cassert> 24 #include <type_traits> 25 26 #include "test_macros.h" 27 28 int main(int, char**) 29 { 30 static_assert(std::is_trivially_destructible< 31 std::tuple<> >::value, ""); 32 static_assert(std::is_trivially_destructible< 33 std::tuple<void*> >::value, ""); 34 static_assert(std::is_trivially_destructible< 35 std::tuple<int, float> >::value, ""); 36 static_assert(!std::is_trivially_destructible< 37 std::tuple<std::string> >::value, ""); 38 static_assert(!std::is_trivially_destructible< 39 std::tuple<int, std::string> >::value, ""); 40 41 return 0; 42 } 43