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Jeff Thompson86b6d642013-10-17 15:01:56 -07001// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
2// (C) Copyright 2003-2007 Jonathan Turkanis
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
5
6// See http://www.boost.org/libs/iostreams for documentation.
7
8#ifndef NDNBOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED
9#define NDNBOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED
10
11#if defined(_MSC_VER) && (_MSC_VER >= 1020)
12# pragma once
13#endif
14
15#include <ndnboost/iostreams/traits.hpp>
16#include <ndnboost/mpl/if.hpp>
17
18namespace ndnboost { namespace iostreams { namespace detail {
19
20template<typename T>
21struct param_type {
22 typedef typename mpl::if_<is_std_io<T>, T&, const T&>::type type;
23};
24
25template<typename T>
26struct value_type {
27 typedef typename mpl::if_<is_std_io<T>, T&, T>::type type;
28};
29
30} } } // End namespaces detail, iostreams, boost.
31
32#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED //-----------//