//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <functional>
// reference_wrapper
// template <ObjectType T> reference_wrapper<T> ref(T& t);
#include <functional>
#include <cassert>
int main()
{
int i = 0;
std::reference_wrapper<int> r = std::ref(i);
assert(&r.get() == &i);
}