Home | History | Annotate | Download | only in pairs.pair
      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 // <utility>
     13 
     14 // template <class T1, class T2> struct pair
     15 
     16 // ~pair()
     17 
     18 // C++17 added:
     19 //   The destructor of pair shall be a trivial destructor
     20 //     if (is_trivially_destructible_v<T1> && is_trivially_destructible_v<T2>) is true.
     21 
     22 
     23 #include <utility>
     24 #include <type_traits>
     25 #include <string>
     26 #include <cassert>
     27 
     28 #include "test_macros.h"
     29 
     30 int main()
     31 {
     32   static_assert((std::is_trivially_destructible<
     33       std::pair<int, float> >::value), "");
     34   static_assert((!std::is_trivially_destructible<
     35       std::pair<int, std::string> >::value), "");
     36 }
     37