93 lines
2.0 KiB
C++
93 lines
2.0 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2008-2012. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINER_DETAIL_STORED_REF_HPP
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#define BOOST_CONTAINER_DETAIL_STORED_REF_HPP
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#include "config_begin.hpp"
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#include <boost/container/detail/workaround.hpp>
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#ifndef BOOST_NO_RVALUE_REFERENCES
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namespace boost{
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namespace container{
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namespace container_detail{
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template<class T>
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struct stored_ref
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{
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static T && forward(T &t)
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#ifdef BOOST_MOVE_OLD_RVALUE_REF_BINDING_RULES
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{ return t; }
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#else
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{ return boost::move(t); }
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#endif
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};
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template<class T>
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struct stored_ref<const T>
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{
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static const T && forward(const T &t)
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#ifdef BOOST_MOVE_OLD_RVALUE_REF_BINDING_RULES
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{ return t; }
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#else
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{ return static_cast<const T&&>(t); }
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#endif
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};
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template<class T>
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struct stored_ref<T&&>
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{
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static T && forward(T &t)
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#ifdef BOOST_MOVE_OLD_RVALUE_REF_BINDING_RULES
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{ return t; }
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#else
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{ return boost::move(t); }
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#endif
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};
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template<class T>
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struct stored_ref<const T&&>
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{
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static const T && forward(const T &t)
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#ifdef BOOST_MOVE_OLD_RVALUE_REF_BINDING_RULES
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{ return t; }
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#else
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{ return static_cast<const T &&>(t); }
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#endif
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};
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template<class T>
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struct stored_ref<const T&>
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{
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static const T & forward(const T &t)
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{ return t; }
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};
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template<class T>
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struct stored_ref<T&>
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{
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static T & forward(T &t)
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{ return t; }
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};
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} //namespace container_detail{
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} //namespace container{
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} //namespace boost{
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#else
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#error "This header can be included only for compiler with rvalue references"
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#endif //BOOST_NO_RVALUE_REFERENCES
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#include <boost/container/detail/config_end.hpp>
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#endif //BOOST_CONTAINER_DETAIL_STORED_REF_HPP
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