Boost C++ Libraries

boost/mpl/integral_c.hpp

#ifndef BOOST_MPL_INTEGRAL_C_HPP_INCLUDED
#define BOOST_MPL_INTEGRAL_C_HPP_INCLUDED

// + file: boost/mpl/integral_c.hpp
// + last modified: 08/mar/03

// Copyright (c) 2000-03
// Aleksey Gurtovoy
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee, 
// provided that the above copyright notice appears in all copies and 
// that both the copyright notice and this permission notice appear in 
// supporting documentation. No representations are made about the 
// suitability of this software for any purpose. It is provided "as is" 
// without express or implied warranty.
//
// See http://www.boost.org/libs/mpl for documentation.

#include "boost/mpl/integral_c_fwd.hpp"
#include "boost/mpl/aux_/ice_cast.hpp"
#include "boost/mpl/aux_/config/ctps.hpp"
#include "boost/mpl/aux_/config/workaround.hpp"

#if BOOST_WORKAROUND(__HP_aCC, BOOST_TESTED_AT(53800))
// the type of non-type template arguments may not depend on template arguments
#   define AUX_WRAPPER_PARAMS(N) typename T, long N
#else
#   define AUX_WRAPPER_PARAMS(N) typename T, T N
#endif

#define AUX_WRAPPER_NAME integral_c
#define AUX_WRAPPER_VALUE_TYPE T
#define AUX_WRAPPER_INST(value) AUX_WRAPPER_NAME< T, value >
#include "boost/mpl/aux_/integral_wrapper.hpp"


#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
 && !BOOST_WORKAROUND(__BORLANDC__, <= 0x551)
namespace boost { namespace mpl {
// 'bool' constant doesn't have 'next'/'prior' members
template< bool C >
struct integral_c<bool, C>
{
    BOOST_STATIC_CONSTANT(bool, value = C);
    typedef integral_c type;
    operator bool() const { return this->value; }
};
}}
#endif

#endif // BOOST_MPL_INTEGRAL_C_HPP_INCLUDED