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// Boost.Range library
//
// Copyright Robin Eckert 2015. Use, modification and distribution is
// subject to the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// For more information, see http://www.boost.org/libs/range/
//
//[ref_unwrapped_example
#include <boost/range/adaptor/ref_unwrapped.hpp>
#include <iostream>
#include <vector>
struct example
{
int value;
};
int main(int argc, const char* argv[])
{
//<-
#if !defined(BOOST_NO_CXX11_DECLTYPE) \
&& !defined(BOOST_NO_CXX11_RANGE_BASED_FOR) \
&& !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) \
&& !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
//->
using boost::adaptors::ref_unwrapped;
example one{1};
example two{2};
example three{3};
std::vector<std::reference_wrapper<example> > input{one, two, three};
for (auto&& entry : input | ref_unwrapped)
{
std::cout << entry.value;
}
return 0;
//<-
#endif
//->
}
//]
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