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38 lines
824 B
C++
38 lines
824 B
C++
// Copyright (C) 2015 Andrzej Krzemienski.
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//
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/lib/optional for documentation.
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//
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// You are welcome to contact the author at:
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// akrzemi1@gmail.com
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#include "boost/core/ignore_unused.hpp"
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#include "boost/core/lightweight_test.hpp"
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#include "boost/optional/detail/optional_config.hpp"
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#if (defined BOOST_NO_CXX11_RVALUE_REFERENCES) || (!defined BOOST_OPTIONAL_CONFIG_NO_LEGAL_CONVERT_FROM_REF)
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# error "failed as requested"
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#else
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struct S {};
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struct Binder
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{
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S& ref_;
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template <typename R> Binder (R&&r) : ref_(r) {}
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};
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int main()
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{
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S s ;
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Binder b = s;
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boost::ignore_unused(b);
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}
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#endif
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