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(pair&&) = default; 17 18 #include <utility> 19 #include <memory> 20 #include <cassert> 21 22 #include "test_macros.h" 23 24 struct Dummy { 25 Dummy(Dummy const&) = delete; 26 Dummy(Dummy &&) = default; 27 }; 28 main()29int main() 30 { 31 { 32 typedef std::pair<int, short> P1; 33 static_assert(std::is_move_constructible<P1>::value, ""); 34 P1 p1(3, static_cast<short>(4)); 35 P1 p2 = std::move(p1); 36 assert(p2.first == 3); 37 assert(p2.second == 4); 38 } 39 { 40 using P = std::pair<Dummy, int>; 41 static_assert(!std::is_copy_constructible<P>::value, ""); 42 static_assert(std::is_move_constructible<P>::value, ""); 43 } 44 } 45