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1 | // (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 BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED | |
9 | #define BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED | |
10 | ||
11 | #if defined(_MSC_VER) | |
12 | # pragma once | |
13 | #endif | |
14 | ||
15 | #include <boost/iostreams/traits.hpp> | |
16 | #include <boost/mpl/if.hpp> | |
17 | ||
18 | namespace boost { namespace iostreams { namespace detail { | |
19 | ||
20 | template<typename T> | |
21 | struct param_type { | |
22 | typedef typename mpl::if_<is_std_io<T>, T&, const T&>::type type; | |
23 | }; | |
24 | ||
25 | template<typename T> | |
26 | struct 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 BOOST_IOSTREAMS_DETAIL_VALUE_TYPE_HPP_INCLUDED //-----------// |