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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#ifndef BOOST_MPL_AUX_VECTOR_ITERATOR_HPP_INCLUDED
#define BOOST_MPL_AUX_VECTOR_ITERATOR_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2000-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id: iterator.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
// $Revision: 49267 $
#include <boost/mpl/vector/aux_/at.hpp>
#include <boost/mpl/iterator_tags.hpp>
#include <boost/mpl/plus.hpp>
#include <boost/mpl/minus.hpp>
#include <boost/mpl/advance_fwd.hpp>
#include <boost/mpl/distance_fwd.hpp>
#include <boost/mpl/next.hpp>
#include <boost/mpl/prior.hpp>
#include <boost/mpl/aux_/nttp_decl.hpp>
#include <boost/mpl/aux_/value_wknd.hpp>
#include <boost/mpl/aux_/config/ctps.hpp>
#include <boost/mpl/aux_/config/workaround.hpp>
namespace boost { namespace mpl {
template<
typename Vector
, BOOST_MPL_AUX_NTTP_DECL(long, n_)
>
struct v_iter
{
typedef aux::v_iter_tag tag;
typedef random_access_iterator_tag category;
typedef typename v_at<Vector,n_>::type type;
typedef Vector vector_;
typedef mpl::long_<n_> pos;
#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
enum {
next_ = n_ + 1
, prior_ = n_ - 1
, pos_ = n_
};
typedef v_iter<Vector,next_> next;
typedef v_iter<Vector,prior_> prior;
#endif
};
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
template<
typename Vector
, BOOST_MPL_AUX_NTTP_DECL(long, n_)
>
struct next< v_iter<Vector,n_> >
{
typedef v_iter<Vector,(n_ + 1)> type;
};
template<
typename Vector
, BOOST_MPL_AUX_NTTP_DECL(long, n_)
>
struct prior< v_iter<Vector,n_> >
{
typedef v_iter<Vector,(n_ - 1)> type;
};
template<
typename Vector
, BOOST_MPL_AUX_NTTP_DECL(long, n_)
, typename Distance
>
struct advance< v_iter<Vector,n_>,Distance>
{
typedef v_iter<
Vector
, (n_ + BOOST_MPL_AUX_NESTED_VALUE_WKND(long, Distance))
> type;
};
template<
typename Vector
, BOOST_MPL_AUX_NTTP_DECL(long, n_)
, BOOST_MPL_AUX_NTTP_DECL(long, m_)
>
struct distance< v_iter<Vector,n_>, v_iter<Vector,m_> >
: mpl::long_<(m_ - n_)>
{
};
#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
template<> struct advance_impl<aux::v_iter_tag>
{
template< typename Iterator, typename N > struct apply
{
enum { pos_ = Iterator::pos_, n_ = N::value };
typedef v_iter<
typename Iterator::vector_
, (pos_ + n_)
> type;
};
};
template<> struct distance_impl<aux::v_iter_tag>
{
template< typename Iter1, typename Iter2 > struct apply
{
enum { pos1_ = Iter1::pos_, pos2_ = Iter2::pos_ };
typedef long_<( pos2_ - pos1_ )> type;
BOOST_STATIC_CONSTANT(long, value = ( pos2_ - pos1_ ));
};
};
#endif
}}
#endif // BOOST_MPL_AUX_VECTOR_ITERATOR_HPP_INCLUDED
|
Swift