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// Copyright (C) 2015 Andrzej Krzemienski.
//
// 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)
//
// See http://www.boost.org/lib/optional for documentation.
//
// You are welcome to contact the author at:
// akrzemi1@gmail.com
#include "boost/core/ignore_unused.hpp"
#include "boost/core/lightweight_test.hpp"
#include "boost/optional/detail/optional_config.hpp"
#if (defined BOOST_NO_CXX11_RVALUE_REFERENCES) || (!defined BOOST_OPTIONAL_CONFIG_NO_LEGAL_CONVERT_FROM_REF)
# error "failed as requested"
#else
struct S {};
struct Binder
{
S& ref_;
template <typename R> Binder (R&&r) : ref_(r) {}
};
int main()
{
S s ;
Binder b = s;
boost::ignore_unused(b);
}
#endif