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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <tuple>
// template <class... Types> class tuple;
// template<class... Types>
// tuple<Types&...> tie(Types&... t);
#include <tuple>
#include <string>
#include <cassert>
int main()
{
{
int i = 0;
std::string s;
std::tie(i, std::ignore, s) = std::make_tuple(42, 3.14, "C++");
assert(i == 42);
assert(s == "C++");
}
#if _LIBCPP_STD_VER > 11
{
static constexpr int i = 42;
static constexpr double f = 1.1;
constexpr std::tuple<const int &, const double &> t = std::tie(i, f);
static_assert ( std::get<0>(t) == 42, "" );
static_assert ( std::get<1>(t) == 1.1, "" );
}
#endif
}
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