44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
|
//===----------------------------------------------------------------------===//
|
|||
|
|
//
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
|
|||
|
|
//
|
|||
|
|
// This file is distributed under the University of Illinois Open Source
|
|||
|
|
// License. See LICENSE.TXT for details.
|
|||
|
|
//
|
|||
|
|
//===----------------------------------------------------------------------===//
|
|||
|
|
|
|||
|
|
// <tuple>
|
|||
|
|
|
|||
|
|
// template <class... Types> class tuple;
|
|||
|
|
|
|||
|
|
// template <class... Types>
|
|||
|
|
// class tuple_size<tuple<Types...>>
|
|||
|
|
// : public integral_constant<size_t, sizeof...(Types)> { };
|
|||
|
|
|
|||
|
|
#include <tuple>
|
|||
|
|
#include <type_traits>
|
|||
|
|
|
|||
|
|
int main()
|
|||
|
|
{
|
|||
|
|
{
|
|||
|
|
typedef std::tuple<> T;
|
|||
|
|
static_assert((std::is_base_of<std::integral_constant<std::size_t, 0>,
|
|||
|
|
std::tuple_size<T> >::value), "");
|
|||
|
|
}
|
|||
|
|
{
|
|||
|
|
typedef std::tuple<int> T;
|
|||
|
|
static_assert((std::is_base_of<std::integral_constant<std::size_t, 1>,
|
|||
|
|
std::tuple_size<T> >::value), "");
|
|||
|
|
}
|
|||
|
|
{
|
|||
|
|
typedef std::tuple<char, int> T;
|
|||
|
|
static_assert((std::is_base_of<std::integral_constant<std::size_t, 2>,
|
|||
|
|
std::tuple_size<T> >::value), "");
|
|||
|
|
}
|
|||
|
|
{
|
|||
|
|
typedef std::tuple<char, char*, int> T;
|
|||
|
|
static_assert((std::is_base_of<std::integral_constant<std::size_t, 3>,
|
|||
|
|
std::tuple_size<T> >::value), "");
|
|||
|
|
}
|
|||
|
|
}
|