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 // This is not a portable test 15 16 #include <tuple> 17 18 struct A {}; 19 20 struct B {}; 21 22 int main() 23 { 24 { 25 typedef std::tuple<int, A> T; 26 static_assert((sizeof(T) == sizeof(int)), ""); 27 } 28 { 29 typedef std::tuple<A, int> T; 30 static_assert((sizeof(T) == sizeof(int)), ""); 31 } 32 { 33 typedef std::tuple<A, int, B> T; 34 static_assert((sizeof(T) == sizeof(int)), ""); 35 } 36 { 37 typedef std::tuple<A, B, int> T; 38 static_assert((sizeof(T) == sizeof(int)), ""); 39 } 40 { 41 typedef std::tuple<int, A, B> T; 42 static_assert((sizeof(T) == sizeof(int)), ""); 43 } 44 } 45