1 line
660 B
C++
1 line
660 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <functional>
|
|
|
|
// reference_wrapper
|
|
|
|
// template <ObjectType T> reference_wrapper<T> ref(reference_wrapper<T>t);
|
|
|
|
#include <functional>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
int i = 0;
|
|
std::reference_wrapper<int> r1 = std::ref(i);
|
|
std::reference_wrapper<int> r2 = std::ref(r1);
|
|
assert(&r2.get() == &i);
|
|
}
|