tuple_element.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. 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