cxx/test/utilities/utility/pairs/pair.astuple/tuple_element.pass.cpp
2010-05-11 21:36:01 +00:00

31 lines
943 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <utility>
// template <class T1, class T2> struct pair
// tuple_element<I, pair<T1, T2> >::type
#include <utility>
int main()
{
{
typedef std::pair<int, short> P1;
static_assert((std::is_same<std::tuple_element<0, P1>::type, int>::value), "");
static_assert((std::is_same<std::tuple_element<1, P1>::type, short>::value), "");
}
{
typedef std::pair<int*, char> P1;
static_assert((std::is_same<std::tuple_element<0, P1>::type, int*>::value), "");
static_assert((std::is_same<std::tuple_element<1, P1>::type, char>::value), "");
}
}