boost/mpl/print.hpp
#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: 2008-10-10 23:19:02 -0700 (Fri, 10 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