f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
1 line
660 B
C++
1 line
660 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <functional>
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// reference_wrapper
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// template <ObjectType T> reference_wrapper<T> ref(reference_wrapper<T>t);
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#include <functional>
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#include <cassert>
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int main()
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{
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int i = 0;
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std::reference_wrapper<int> r1 = std::ref(i);
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std::reference_wrapper<int> r2 = std::ref(r1);
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assert(&r2.get() == &i);
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}
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