1 2 #ifndef BOOST_MPL_INTEGRAL_C_HPP_INCLUDED 3 #define BOOST_MPL_INTEGRAL_C_HPP_INCLUDED 4 5 // Copyright Aleksey Gurtovoy 2000-2006 6 // 7 // Distributed under the Boost Software License, Version 1.0. 8 // (See accompanying file LICENSE_1_0.txt or copy at 9 // http://www.boost.org/LICENSE_1_0.txt) 10 // 11 // See http://www.boost.org/libs/mpl for documentation. 12 13 // $Id: integral_c.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ 14 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ 15 // $Revision: 49267 $ 16 17 #include <boost/mpl/integral_c_fwd.hpp> 18 #include <boost/mpl/aux_/config/ctps.hpp> 19 #include <boost/mpl/aux_/config/static_constant.hpp> 20 #include <boost/mpl/aux_/config/workaround.hpp> 21 22 #if BOOST_WORKAROUND(__HP_aCC, <= 53800) 23 // the type of non-type template arguments may not depend on template arguments 24 # define AUX_WRAPPER_PARAMS(N) typename T, long N 25 #else 26 # define AUX_WRAPPER_PARAMS(N) typename T, T N 27 #endif 28 29 #define AUX_WRAPPER_NAME integral_c 30 #define AUX_WRAPPER_VALUE_TYPE T 31 #define AUX_WRAPPER_INST(value) AUX_WRAPPER_NAME< T, value > 32 #include <boost/mpl/aux_/integral_wrapper.hpp> 33 34 35 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ 36 && !BOOST_WORKAROUND(__BORLANDC__, <= 0x551) 37 BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN 38 // 'bool' constant doesn't have 'next'/'prior' members 39 template< bool C > 40 struct integral_c<bool, C> 41 { 42 BOOST_STATIC_CONSTANT(bool, value = C); 43 typedef integral_c_tag tag; 44 typedef integral_c type; 45 typedef bool value_type; operator boolintegral_c46 operator bool() const { return this->value; } 47 }; 48 BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE 49 #endif 50 51 #endif // BOOST_MPL_INTEGRAL_C_HPP_INCLUDED 52