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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
3893 changed files with 1209942 additions and 0 deletions
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47
test/utilities/tuple/tuple.tuple/tuple.helper/tuple_element.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <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 <size_t I, class... Types>
// class tuple_element<I, tuple<Types...> >
// {
// public:
// typedef Ti type;
// };
#include <tuple>
#include <type_traits>
int main()
{
{
typedef std::tuple<int> T;
static_assert((std::is_same<std::tuple_element<0, T>::type,
int>::value), "");
}
{
typedef std::tuple<char, int> T;
static_assert((std::is_same<std::tuple_element<0, T>::type,
char>::value), "");
static_assert((std::is_same<std::tuple_element<1, T>::type,
int>::value), "");
}
{
typedef std::tuple<int*, char, int> T;
static_assert((std::is_same<std::tuple_element<0, T>::type,
int*>::value), "");
static_assert((std::is_same<std::tuple_element<1, T>::type,
char>::value), "");
static_assert((std::is_same<std::tuple_element<2, T>::type,
int>::value), "");
}
}