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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
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41
test/utilities/tuple/tuple.tuple/tuple.creation/make_tuple.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<class... Types>
// tuple<VTypes...> make_tuple(Types&&... t);
#include <tuple>
#include <functional>
#include <cassert>
int main()
{
{
int i = 0;
float j = 0;
std::tuple<int, int&, float&> t = std::make_tuple(1, std::ref(i),
std::ref(j));
assert(std::get<0>(t) == 1);
assert(std::get<1>(t) == 0);
assert(std::get<2>(t) == 0);
i = 2;
j = 3.5;
assert(std::get<0>(t) == 1);
assert(std::get<1>(t) == 2);
assert(std::get<2>(t) == 3.5);
std::get<1>(t) = 0;
std::get<2>(t) = 0;
assert(i == 0);
assert(j == 0);
}
}