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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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35
test/utilities/utility/pairs/pairs.pair/piecewise.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.
//
//===----------------------------------------------------------------------===//
// <utility>
// template <class T1, class T2> struct pair
// template <class... Args1, class... Args2>
// pair(piecewise_construct_t, tuple<Args1...> first_args,
// tuple<Args2...> second_args);
#include <utility>
#include <tuple>
#include <cassert>
int main()
{
#ifndef _LIBCPP_HAS_NO_VARIADICS
{
typedef std::pair<int, int*> P1;
typedef std::pair<int*, int> P2;
typedef std::pair<P1, P2> P3;
P3 p3(std::piecewise_construct, std::tuple<int, int*>(3, nullptr),
std::tuple<int*, int>(nullptr, 4));
assert(p3.first == P1(3, nullptr));
assert(p3.second == P2(nullptr, 4));
}
#endif
}