forked from OSchip/llvm-project
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <array>
|
|
|
|
// tuple_element<I, array<T, N> >::type
|
|
|
|
#include <array>
|
|
#include <type_traits>
|
|
|
|
template <class T>
|
|
void test()
|
|
{
|
|
{
|
|
typedef T Exp;
|
|
typedef std::array<T, 3> C;
|
|
static_assert((std::is_same<typename std::tuple_element<0, C>::type, Exp>::value), "");
|
|
static_assert((std::is_same<typename std::tuple_element<1, C>::type, Exp>::value), "");
|
|
static_assert((std::is_same<typename std::tuple_element<2, C>::type, Exp>::value), "");
|
|
}
|
|
{
|
|
typedef T const Exp;
|
|
typedef std::array<T, 3> const C;
|
|
static_assert((std::is_same<typename std::tuple_element<0, C>::type, Exp>::value), "");
|
|
static_assert((std::is_same<typename std::tuple_element<1, C>::type, Exp>::value), "");
|
|
static_assert((std::is_same<typename std::tuple_element<2, C>::type, Exp>::value), "");
|
|
}
|
|
{
|
|
typedef T volatile Exp;
|
|
typedef std::array<T, 3> volatile C;
|
|
static_assert((std::is_same<typename std::tuple_element<0, C>::type, Exp>::value), "");
|
|
static_assert((std::is_same<typename std::tuple_element<1, C>::type, Exp>::value), "");
|
|
static_assert((std::is_same<typename std::tuple_element<2, C>::type, Exp>::value), "");
|
|
}
|
|
{
|
|
typedef T const volatile Exp;
|
|
typedef std::array<T, 3> const volatile C;
|
|
static_assert((std::is_same<typename std::tuple_element<0, C>::type, Exp>::value), "");
|
|
static_assert((std::is_same<typename std::tuple_element<1, C>::type, Exp>::value), "");
|
|
static_assert((std::is_same<typename std::tuple_element<2, C>::type, Exp>::value), "");
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test<double>();
|
|
test<int>();
|
|
}
|