1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
|
//===----------------------------------------------------------------------===//
//
// 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>();
}
|