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libcxx/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_1.pass.cpp

25 lines
625 B
C++

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