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33 lines
981 B
33 lines
981 B
3 years ago
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// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
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// (C) Copyright 2003-2007 Jonathan Turkanis
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
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// See http://www.boost.org/libs/iostreams for documentation.
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#ifndef BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED
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#define BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED
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#if defined(_MSC_VER)
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# pragma once
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#endif
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#include <boost/iostreams/traits.hpp>
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#include <boost/mpl/if.hpp>
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namespace boost { namespace iostreams { namespace detail {
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template<typename T>
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struct param_type {
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typedef typename mpl::if_<is_std_io<T>, T&, const T&>::type type;
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};
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template<typename T>
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struct value_type {
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typedef typename mpl::if_<is_std_io<T>, T&, T>::type type;
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};
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} } } // End namespaces detail, iostreams, boost.
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#endif // #ifndef BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED //-----------//
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