blob: b1a448498aa3a2881388735919d89e4a4cb4a9ff [file] [log] [blame]
#ifndef BOOST_MPL_PRINT_HPP_INCLUDED
#define BOOST_MPL_PRINT_HPP_INCLUDED
// Copyright David Abrahams 2003
// Copyright Aleksey Gurtovoy 2004
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id: print.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
// $Revision: 49267 $
#include <boost/mpl/aux_/config/msvc.hpp>
#include <boost/mpl/identity.hpp>
namespace boost { namespace mpl {
namespace aux {
#if defined(BOOST_MSVC)
# pragma warning(push, 3)
// we only want one warning from MSVC, so turn off the other one
# pragma warning(disable: 4307)
#elif defined(__MWERKS__)
# pragma warn_hidevirtual on
struct print_base { virtual void f() {} };
#endif
#if defined(__EDG_VERSION__)
template <class T>
struct dependent_unsigned
{
static const unsigned value = 1;
};
#endif
} // namespace aux
template <class T>
struct print
: mpl::identity<T>
#if defined(__MWERKS__)
, aux::print_base
#endif
{
#if defined(BOOST_MSVC)
enum { n = sizeof(T) + -1 };
#elif defined(__MWERKS__)
void f(int);
#else
enum {
n =
# if defined(__EDG_VERSION__)
aux::dependent_unsigned<T>::value > -1
# else
sizeof(T) > -1
# endif
};
#endif
};
#if defined(BOOST_MSVC)
# pragma warning(pop)
#elif defined(__MWERKS__)
# pragma warn_hidevirtual reset
#endif
}}
#endif // BOOST_MPL_PRINT_HPP_INCLUDED