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_ENABLE_IF_STREAM_HPP_INCLUDED 9 #define BOOST_IOSTREAMS_DETAIL_ENABLE_IF_STREAM_HPP_INCLUDED 10 11 #if defined(_MSC_VER) 12 # pragma once 13 #endif 14 15 #include <boost/config.hpp> // BOOST_NO_SFINAE. 16 #include <boost/utility/enable_if.hpp> 17 #include <boost/iostreams/traits_fwd.hpp> // is_std_io. 18 19 #if !defined(BOOST_NO_SFINAE) && \ 20 !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592)) 21 # define BOOST_IOSTREAMS_ENABLE_IF_STREAM(T) \ 22 , typename boost::enable_if< boost::iostreams::is_std_io<T> >::type* = 0 \ 23 /**/ 24 # define BOOST_IOSTREAMS_DISABLE_IF_STREAM(T) \ 25 , typename boost::disable_if< boost::iostreams::is_std_io<T> >::type* = 0 \ 26 /**/ 27 #else 28 # define BOOST_IOSTREAMS_ENABLE_IF_STREAM(T) 29 # define BOOST_IOSTREAMS_DISABLE_IF_STREAM(T) 30 #endif 31 32 #endif // #ifndef BOOST_IOSTREAMS_DETAIL_ENABLE_IF_STREAM_HPP_INCLUDED 33