williamr@2: williamr@2: #ifndef BOOST_MPL_AUX_YES_NO_HPP_INCLUDED williamr@2: #define BOOST_MPL_AUX_YES_NO_HPP_INCLUDED williamr@2: williamr@2: // Copyright Aleksey Gurtovoy 2000-2004 williamr@2: // williamr@2: // Distributed under the Boost Software License, Version 1.0. williamr@2: // (See accompanying file LICENSE_1_0.txt or copy at williamr@2: // http://www.boost.org/LICENSE_1_0.txt) williamr@2: // williamr@2: // See http://www.boost.org/libs/mpl for documentation. williamr@2: williamr@2: // $Source: /cvsroot/boost/boost/boost/mpl/aux_/yes_no.hpp,v $ williamr@2: // $Date: 2005/08/25 16:27:21 $ williamr@2: // $Revision: 1.8 $ williamr@2: williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: williamr@2: williamr@2: namespace boost { namespace mpl { namespace aux { williamr@2: williamr@2: typedef char (&no_tag)[1]; williamr@2: typedef char (&yes_tag)[2]; williamr@2: williamr@2: template< bool C_ > struct yes_no_tag williamr@2: { williamr@2: typedef no_tag type; williamr@2: }; williamr@2: williamr@2: template<> struct yes_no_tag williamr@2: { williamr@2: typedef yes_tag type; williamr@2: }; williamr@2: williamr@2: williamr@2: template< BOOST_MPL_AUX_NTTP_DECL(long, n) > struct weighted_tag williamr@2: { williamr@2: #if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) williamr@2: typedef char (&type)[n]; williamr@2: #else williamr@2: char buf[n]; williamr@2: typedef weighted_tag type; williamr@2: #endif williamr@2: }; williamr@2: williamr@2: #if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) williamr@2: template<> struct weighted_tag<0> williamr@2: { williamr@2: typedef char (&type)[1]; williamr@2: }; williamr@2: #endif williamr@2: williamr@2: }}} williamr@2: williamr@2: #endif // BOOST_MPL_AUX_YES_NO_HPP_INCLUDED