ClickHouse/contrib/libboost/boost_1_62_0/boost/mpl/print.hpp
2016-12-12 07:17:16 +03:00

79 lines
1.6 KiB
C++

#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.
// $Id$
// $Date$
// $Revision$
#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(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wc++11-extensions"
const int m_x = 1 / (sizeof(T) - sizeof(T));
# pragma clang diagnostic pop
#elif 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