1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <tuple> 13 14 // template <class... Types> class tuple; 15 16 // ~tuple(); 17 18 // C++17 added: 19 // The destructor of tuple shall be a trivial destructor 20 // if (is_trivially_destructible_v<Types> && ...) is true. 21 22 #include <tuple> 23 #include <string> 24 #include <cassert> 25 #include <type_traits> 26 27 int main() 28 { 29 static_assert(std::is_trivially_destructible< 30 std::tuple<> >::value, ""); 31 static_assert(std::is_trivially_destructible< 32 std::tuple<void*> >::value, ""); 33 static_assert(std::is_trivially_destructible< 34 std::tuple<int, float> >::value, ""); 35 static_assert(!std::is_trivially_destructible< 36 std::tuple<std::string> >::value, ""); 37 static_assert(!std::is_trivially_destructible< 38 std::tuple<int, std::string> >::value, ""); 39 } 40
