tuple_element.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
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 18int 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