Chris@16: // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
Chris@16: // (C) Copyright 2003-2007 Jonathan Turkanis
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
Chris@16: 
Chris@16: // See http://www.boost.org/libs/iostreams for documentation.
Chris@16: 
Chris@16: #ifndef BOOST_IOSTREAMS_DETAIL_ENABLE_IF_STREAM_HPP_INCLUDED
Chris@16: #define BOOST_IOSTREAMS_DETAIL_ENABLE_IF_STREAM_HPP_INCLUDED
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
Chris@16: # pragma once
Chris@16: #endif              
Chris@16: 
Chris@16: #include <boost/config.hpp>                // BOOST_NO_SFINAE.
Chris@16: #include <boost/utility/enable_if.hpp>                  
Chris@16: #include <boost/iostreams/traits_fwd.hpp>  // is_std_io.
Chris@16: 
Chris@16: #if !defined(BOOST_NO_SFINAE) && \
Chris@16:     !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592))
Chris@16: # define BOOST_IOSTREAMS_ENABLE_IF_STREAM(T) \
Chris@16:     , typename boost::enable_if< boost::iostreams::is_std_io<T> >::type* = 0 \
Chris@16:     /**/
Chris@16: # define BOOST_IOSTREAMS_DISABLE_IF_STREAM(T) \
Chris@16:     , typename boost::disable_if< boost::iostreams::is_std_io<T> >::type* = 0 \
Chris@16:     /**/
Chris@16: #else 
Chris@16: # define BOOST_IOSTREAMS_ENABLE_IF_STREAM(T)
Chris@16: # define BOOST_IOSTREAMS_DISABLE_IF_STREAM(T)
Chris@16: #endif
Chris@16: 
Chris@16: #endif // #ifndef BOOST_IOSTREAMS_DETAIL_ENABLE_IF_STREAM_HPP_INCLUDED