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33 lines
1.2 KiB
33 lines
1.2 KiB
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_ENABLE_IF_STREAM_HPP_INCLUDED
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#define BOOST_IOSTREAMS_DETAIL_ENABLE_IF_STREAM_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/config.hpp> // BOOST_NO_SFINAE.
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#include <boost/utility/enable_if.hpp>
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#include <boost/iostreams/traits_fwd.hpp> // is_std_io.
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#if !defined(BOOST_NO_SFINAE) && \
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!BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592))
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# define BOOST_IOSTREAMS_ENABLE_IF_STREAM(T) \
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, typename boost::enable_if< boost::iostreams::is_std_io<T> >::type* = 0 \
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/**/
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# define BOOST_IOSTREAMS_DISABLE_IF_STREAM(T) \
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, typename boost::disable_if< boost::iostreams::is_std_io<T> >::type* = 0 \
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/**/
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#else
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# define BOOST_IOSTREAMS_ENABLE_IF_STREAM(T)
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# define BOOST_IOSTREAMS_DISABLE_IF_STREAM(T)
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#endif
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#endif // #ifndef BOOST_IOSTREAMS_DETAIL_ENABLE_IF_STREAM_HPP_INCLUDED
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