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 // tuple_element<I, pair<T1, T2> >::type 15 16 #include <utility> 17 18 int main() 19 { 20 { 21 typedef std::pair<int, short> P1; 22 static_assert((std::is_same<std::tuple_element<0, P1>::type, int>::value), ""); 23 static_assert((std::is_same<std::tuple_element<1, P1>::type, short>::value), ""); 24 } 25 { 26 typedef std::pair<int*, char> P1; 27 static_assert((std::is_same<std::tuple_element<0, P1>::type, int*>::value), ""); 28 static_assert((std::is_same<std::tuple_element<1, P1>::type, char>::value), ""); 29 } 30 } 31
