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 // <tuple> 11 12 // template <class... Types> class tuple; 13 14 // template <class U1, class U2> 15 // tuple& operator=(pair<U1, U2>&& u); 16 17 #include <tuple> 18 #include <utility> 19 #include <memory> 20 #include <cassert> 21 22 struct B 23 { 24 int id_; 25 26 explicit B(int i = 0) : id_(i) {} 27 28 virtual ~B() {} 29 }; 30 31 struct D 32 : B 33 { 34 explicit D(int i) : B(i) {} 35 }; 36 37 int main() 38 { 39 { 40 typedef std::pair<double, std::unique_ptr<D>> T0; 41 typedef std::tuple<int, std::unique_ptr<B>> T1; 42 T0 t0(2.5, std::unique_ptr<D>(new D(3))); 43 T1 t1; 44 t1 = std::move(t0); 45 assert(std::get<0>(t1) == 2); 46 assert(std::get<1>(t1)->id_ == 3); 47 } 48 } 49