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 // tuple& operator=(const tuple& u); 15 16 #include <tuple> 17 #include <string> 18 #include <cassert> 19 main()20int main() 21 { 22 { 23 typedef std::tuple<> T; 24 T t0; 25 T t; 26 t = t0; 27 } 28 { 29 typedef std::tuple<int> T; 30 T t0(2); 31 T t; 32 t = t0; 33 assert(std::get<0>(t) == 2); 34 } 35 { 36 typedef std::tuple<int, char> T; 37 T t0(2, 'a'); 38 T t; 39 t = t0; 40 assert(std::get<0>(t) == 2); 41 assert(std::get<1>(t) == 'a'); 42 } 43 { 44 typedef std::tuple<int, char, std::string> T; 45 const T t0(2, 'a', "some text"); 46 T t; 47 t = t0; 48 assert(std::get<0>(t) == 2); 49 assert(std::get<1>(t) == 'a'); 50 assert(std::get<2>(t) == "some text"); 51 } 52 } 53