Chris@16: 
Chris@16: #ifndef BOOST_MPL_PRINT_HPP_INCLUDED
Chris@16: #define BOOST_MPL_PRINT_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright David Abrahams 2003
Chris@16: // Copyright Aleksey Gurtovoy 2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #include <boost/mpl/aux_/config/msvc.hpp>
Chris@16: #include <boost/mpl/identity.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16:   
Chris@16: namespace aux {
Chris@16: #if defined(BOOST_MSVC)
Chris@16: # pragma warning(push, 3)
Chris@16: // we only want one warning from MSVC, so turn off the other one
Chris@16: # pragma warning(disable: 4307)
Chris@16: #elif defined(__MWERKS__)
Chris@16: # pragma warn_hidevirtual on
Chris@16:    struct print_base { virtual void f() {} };
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(__EDG_VERSION__)
Chris@16:   template <class T>
Chris@16:   struct dependent_unsigned
Chris@16:   {
Chris@16:       static const unsigned value = 1;
Chris@16:   };
Chris@16: #endif
Chris@101: } // namespace aux
Chris@16: 
Chris@16: template <class T>
Chris@16: struct print
Chris@16:     : mpl::identity<T>
Chris@16: #if defined(__MWERKS__)
Chris@16:     , aux::print_base
Chris@16: #endif 
Chris@16: {
Chris@101: #if defined(__clang__)
Chris@101:     const int m_x = 1 / (sizeof(T) - sizeof(T));
Chris@101: #elif defined(BOOST_MSVC)
Chris@16:     enum { n = sizeof(T) + -1 };
Chris@16: #elif defined(__MWERKS__)
Chris@16:     void f(int);
Chris@16: #else 
Chris@16:     enum {
Chris@16:         n =
Chris@16: # if defined(__EDG_VERSION__)
Chris@16:            aux::dependent_unsigned<T>::value > -1
Chris@16: # else 
Chris@16:            sizeof(T) > -1
Chris@16: # endif 
Chris@16:         };
Chris@16: #endif 
Chris@16: };
Chris@16: 
Chris@16: #if defined(BOOST_MSVC)
Chris@16: # pragma warning(pop)
Chris@16: #elif defined(__MWERKS__)
Chris@16: # pragma warn_hidevirtual reset
Chris@16: #endif
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_PRINT_HPP_INCLUDED