1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
// 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;
};
}}}
|
Swift