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 // <utility> 11 12 // template <class T1, class T2> struct pair 13 14 // pair(const pair&) = default; 15 16 #include <utility> 17 #include <cassert> 18 main()19int main() 20 { 21 { 22 typedef std::pair<int, short> P1; 23 P1 p1(3, 4); 24 P1 p2 = p1; 25 assert(p2.first == 3); 26 assert(p2.second == 4); 27 } 28 29 static_assert((std::is_trivially_copy_constructible<std::pair<int, int> >::value), ""); 30 31 #if _LIBCPP_STD_VER > 11 32 { 33 typedef std::pair<int, short> P1; 34 constexpr P1 p1(3, 4); 35 constexpr P1 p2 = p1; 36 static_assert(p2.first == 3, ""); 37 static_assert(p2.second == 4, ""); 38 } 39 #endif 40 } 41