102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
|
|
||
|
|
// 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 "boost/mpl/aux_/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(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;
|
||
|
|
};
|
||
|
|
|
||
|
|
}}}
|