[857] | 1 |
|
---|
| 2 | // Copyright Aleksey Gurtovoy 2001-2004
|
---|
| 3 | //
|
---|
| 4 | // Distributed under the Boost Software License, Version 1.0.
|
---|
| 5 | // (See accompanying file LICENSE_1_0.txt or copy at
|
---|
| 6 | // http://www.boost.org/LICENSE_1_0.txt)
|
---|
| 7 | //
|
---|
| 8 |
|
---|
| 9 | // Preprocessed version of "boost/mpl/aux_/template_arity.hpp" header
|
---|
| 10 | // -- DO NOT modify by hand!
|
---|
| 11 |
|
---|
| 12 | namespace boost { namespace mpl { namespace aux {
|
---|
| 13 |
|
---|
| 14 | template< int N > struct arity_tag
|
---|
| 15 | {
|
---|
| 16 | typedef char (&type)[N + 1];
|
---|
| 17 | };
|
---|
| 18 |
|
---|
| 19 | template<
|
---|
| 20 | int C1, int C2, int C3, int C4, int C5, int C6
|
---|
| 21 | >
|
---|
| 22 | struct max_arity
|
---|
| 23 | {
|
---|
| 24 | BOOST_STATIC_CONSTANT(int, value =
|
---|
| 25 | ( C6 > 0 ? C6 : ( C5 > 0 ? C5 : ( C4 > 0 ? C4 : ( C3 > 0 ? C3 : ( C2 > 0 ? C2 : ( C1 > 0 ? C1 : -1 ) ) ) ) ) )
|
---|
| 26 |
|
---|
| 27 | );
|
---|
| 28 | };
|
---|
| 29 |
|
---|
| 30 | arity_tag<0>::type arity_helper(...);
|
---|
| 31 |
|
---|
| 32 | template<
|
---|
| 33 | template< typename P1 > class F
|
---|
| 34 | , typename T1
|
---|
| 35 | >
|
---|
| 36 | typename arity_tag<1>::type
|
---|
| 37 | arity_helper(type_wrapper< F<T1> >, arity_tag<1>);
|
---|
| 38 |
|
---|
| 39 | template<
|
---|
| 40 | template< typename P1, typename P2 > class F
|
---|
| 41 | , typename T1, typename T2
|
---|
| 42 | >
|
---|
| 43 | typename arity_tag<2>::type
|
---|
| 44 | arity_helper(type_wrapper< F< T1,T2 > >, arity_tag<2>);
|
---|
| 45 |
|
---|
| 46 | template<
|
---|
| 47 | template< typename P1, typename P2, typename P3 > class F
|
---|
| 48 | , typename T1, typename T2, typename T3
|
---|
| 49 | >
|
---|
| 50 | typename arity_tag<3>::type
|
---|
| 51 | arity_helper(type_wrapper< F< T1,T2,T3 > >, arity_tag<3>);
|
---|
| 52 |
|
---|
| 53 | template<
|
---|
| 54 | template< typename P1, typename P2, typename P3, typename P4 > class F
|
---|
| 55 | , typename T1, typename T2, typename T3, typename T4
|
---|
| 56 | >
|
---|
| 57 | typename arity_tag<4>::type
|
---|
| 58 | arity_helper(type_wrapper< F< T1,T2,T3,T4 > >, arity_tag<4>);
|
---|
| 59 |
|
---|
| 60 | template<
|
---|
| 61 | template<
|
---|
| 62 | typename P1, typename P2, typename P3, typename P4
|
---|
| 63 | , typename P5
|
---|
| 64 | >
|
---|
| 65 | class F
|
---|
| 66 | , typename T1, typename T2, typename T3, typename T4, typename T5
|
---|
| 67 | >
|
---|
| 68 | typename arity_tag<5>::type
|
---|
| 69 | arity_helper(type_wrapper< F< T1,T2,T3,T4,T5 > >, arity_tag<5>);
|
---|
| 70 |
|
---|
| 71 | template<
|
---|
| 72 | template<
|
---|
| 73 | typename P1, typename P2, typename P3, typename P4
|
---|
| 74 | , typename P5, typename P6
|
---|
| 75 | >
|
---|
| 76 | class F
|
---|
| 77 | , typename T1, typename T2, typename T3, typename T4, typename T5
|
---|
| 78 | , typename T6
|
---|
| 79 | >
|
---|
| 80 | typename arity_tag<6>::type
|
---|
| 81 | arity_helper(type_wrapper< F< T1,T2,T3,T4,T5,T6 > >, arity_tag<6>);
|
---|
| 82 | template< typename F, int N >
|
---|
| 83 | struct template_arity_impl
|
---|
| 84 | {
|
---|
| 85 | BOOST_STATIC_CONSTANT(int, value =
|
---|
| 86 | sizeof(arity_helper(type_wrapper<F>(), arity_tag<N>())) - 1
|
---|
| 87 | );
|
---|
| 88 | };
|
---|
| 89 |
|
---|
| 90 | template< typename F >
|
---|
| 91 | struct template_arity
|
---|
| 92 | {
|
---|
| 93 | BOOST_STATIC_CONSTANT(int, value = (
|
---|
| 94 | 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
|
---|
| 95 |
|
---|
| 96 | ));
|
---|
| 97 |
|
---|
| 98 | typedef mpl::int_<value> type;
|
---|
| 99 | };
|
---|
| 100 |
|
---|
| 101 | }}}
|
---|