26 lines
703 B
C++
26 lines
703 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 dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. 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<const T> cref(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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const int i = 0;
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std::reference_wrapper<const int> r1 = std::cref(i);
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std::reference_wrapper<const int> r2 = std::cref(r1);
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assert(&r2.get() == &i);
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}
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