| // Copyright Aleksey Gurtovoy 2001-2004 | |
| // | |
| // 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) | |
| // | |
| // *Preprocessed* version of the main "template_arity.hpp" header | |
| // -- DO NOT modify by hand! | |
| namespace boost { namespace mpl { namespace aux { | |
| template< int N > struct arity_tag | |
| { | |
| typedef char (&type)[N + 1]; | |
| }; | |
| template< | |
| int C1, int C2, int C3, int C4, int C5, int C6 | |
| > | |
| struct max_arity | |
| { | |
| BOOST_STATIC_CONSTANT(int, value = | |
| ( C6 > 0 ? C6 : ( C5 > 0 ? C5 : ( C4 > 0 ? C4 : ( C3 > 0 ? C3 : ( C2 > 0 ? C2 : ( C1 > 0 ? C1 : -1 ) ) ) ) ) ) | |
| ); | |
| }; | |
| arity_tag<0>::type arity_helper(...); | |
| template< | |
| template< typename P1 > class F | |
| , typename T1 | |
| > | |
| typename arity_tag<1>::type | |
| arity_helper(type_wrapper< F<T1> >, arity_tag<1>); | |
| template< | |
| template< typename P1, typename P2 > class F | |
| , typename T1, typename T2 | |
| > | |
| typename arity_tag<2>::type | |
| arity_helper(type_wrapper< F< T1,T2 > >, arity_tag<2>); | |
| template< | |
| template< typename P1, typename P2, typename P3 > class F | |
| , typename T1, typename T2, typename T3 | |
| > | |
| typename arity_tag<3>::type | |
| arity_helper(type_wrapper< F< T1,T2,T3 > >, arity_tag<3>); | |
| template< | |
| template< typename P1, typename P2, typename P3, typename P4 > class F | |
| , typename T1, typename T2, typename T3, typename T4 | |
| > | |
| typename arity_tag<4>::type | |
| arity_helper(type_wrapper< F< T1,T2,T3,T4 > >, arity_tag<4>); | |
| template< | |
| template< | |
| typename P1, typename P2, typename P3, typename P4 | |
| , typename P5 | |
| > | |
| class F | |
| , typename T1, typename T2, typename T3, typename T4, typename T5 | |
| > | |
| typename arity_tag<5>::type | |
| arity_helper(type_wrapper< F< T1,T2,T3,T4,T5 > >, arity_tag<5>); | |
| template< | |
| template< | |
| typename P1, typename P2, typename P3, typename P4 | |
| , typename P5, typename P6 | |
| > | |
| class F | |
| , typename T1, typename T2, typename T3, typename T4, typename T5 | |
| , typename T6 | |
| > | |
| typename arity_tag<6>::type | |
| arity_helper(type_wrapper< F< T1,T2,T3,T4,T5,T6 > >, arity_tag<6>); | |
| template< typename F, int N > | |
| struct template_arity_impl | |
| { | |
| BOOST_STATIC_CONSTANT(int, value = | |
| sizeof(::boost::mpl::aux::arity_helper(type_wrapper<F>(), arity_tag<N>())) - 1 | |
| ); | |
| }; | |
| template< typename F > | |
| struct template_arity | |
| { | |
| BOOST_STATIC_CONSTANT(int, value = ( | |
| max_arity< template_arity_impl< F,1 >::value, template_arity_impl< F,2 >::value, template_arity_impl< F,3 >::value, template_arity_impl< F,4 >::value, template_arity_impl< F,5 >::value, template_arity_impl< F,6 >::value >::value | |
| )); | |
| typedef mpl::int_<value> type; | |
| }; | |
| }}} |