line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
/// \file |
2
|
|
|
|
|
|
|
// Range v3 library |
3
|
|
|
|
|
|
|
// |
4
|
|
|
|
|
|
|
// Copyright Eric Niebler 2014-present |
5
|
|
|
|
|
|
|
// Copyright Casey Carter 2016 |
6
|
|
|
|
|
|
|
// |
7
|
|
|
|
|
|
|
// Use, modification and distribution is subject to the |
8
|
|
|
|
|
|
|
// Boost Software License, Version 1.0. (See accompanying |
9
|
|
|
|
|
|
|
// file LICENSE_1_0.txt or copy at |
10
|
|
|
|
|
|
|
// http://www.boost.org/LICENSE_1_0.txt) |
11
|
|
|
|
|
|
|
// |
12
|
|
|
|
|
|
|
// Project home: https://github.com/ericniebler/range-v3 |
13
|
|
|
|
|
|
|
// |
14
|
|
|
|
|
|
|
|
15
|
|
|
|
|
|
|
#ifndef RANGES_V3_RANGE_ACCESS_HPP |
16
|
|
|
|
|
|
|
#define RANGES_V3_RANGE_ACCESS_HPP |
17
|
|
|
|
|
|
|
|
18
|
|
|
|
|
|
|
#include |
19
|
|
|
|
|
|
|
#include |
20
|
|
|
|
|
|
|
#include |
21
|
|
|
|
|
|
|
#include |
22
|
|
|
|
|
|
|
#include |
23
|
|
|
|
|
|
|
|
24
|
|
|
|
|
|
|
namespace ranges |
25
|
|
|
|
|
|
|
{ |
26
|
|
|
|
|
|
|
inline namespace v3 |
27
|
|
|
|
|
|
|
{ |
28
|
|
|
|
|
|
|
/// \addtogroup group-core |
29
|
|
|
|
|
|
|
/// @{ |
30
|
|
|
|
|
|
|
struct range_access |
31
|
|
|
|
|
|
|
{ |
32
|
|
|
|
|
|
|
/// \cond |
33
|
|
|
|
|
|
|
private: |
34
|
|
|
|
|
|
|
template |
35
|
|
|
|
|
|
|
static std::false_type single_pass_2_(long); |
36
|
|
|
|
|
|
|
template |
37
|
|
|
|
|
|
|
static typename T::single_pass single_pass_2_(int); |
38
|
|
|
|
|
|
|
|
39
|
|
|
|
|
|
|
template |
40
|
|
|
|
|
|
|
struct single_pass_ |
41
|
|
|
|
|
|
|
{ |
42
|
|
|
|
|
|
|
using type = decltype(range_access::single_pass_2_(42)); |
43
|
|
|
|
|
|
|
}; |
44
|
|
|
|
|
|
|
|
45
|
|
|
|
|
|
|
template |
46
|
|
|
|
|
|
|
static meta::id> mixin_base_2_(long); |
47
|
|
|
|
|
|
|
template |
48
|
|
|
|
|
|
|
static meta::id mixin_base_2_(int); |
49
|
|
|
|
|
|
|
|
50
|
|
|
|
|
|
|
template |
51
|
|
|
|
|
|
|
struct mixin_base_ |
52
|
|
|
|
|
|
|
: decltype(range_access::mixin_base_2_(42)) |
53
|
|
|
|
|
|
|
{}; |
54
|
|
|
|
|
|
|
|
55
|
|
|
|
|
|
|
public: |
56
|
|
|
|
|
|
|
template |
57
|
|
|
|
|
|
|
using single_pass_t = meta::_t>; |
58
|
|
|
|
|
|
|
|
59
|
|
|
|
|
|
|
template |
60
|
|
|
|
|
|
|
using mixin_base_t = meta::_t>; |
61
|
|
|
|
|
|
|
|
62
|
|
|
|
|
|
|
// |
63
|
|
|
|
|
|
|
// Concepts that the range cursor must model |
64
|
|
|
|
|
|
|
// |
65
|
|
|
|
|
|
|
struct Cursor |
66
|
|
|
|
|
|
|
{ |
67
|
|
|
|
|
|
|
template |
68
|
|
|
|
|
|
|
auto requires_() -> decltype( |
69
|
|
|
|
|
|
|
concepts::valid_expr( |
70
|
|
|
|
|
|
|
concepts::model_of(), |
71
|
|
|
|
|
|
|
concepts::model_of>(), |
72
|
|
|
|
|
|
|
concepts::model_of, T>(), |
73
|
|
|
|
|
|
|
concepts::model_of, T const &>() |
74
|
|
|
|
|
|
|
)); |
75
|
|
|
|
|
|
|
// Axiom: mixin_base_t has a member get(), accessible to derived classes, |
76
|
|
|
|
|
|
|
// which perfectly-returns the contained cursor object and does not throw |
77
|
|
|
|
|
|
|
// exceptions. |
78
|
|
|
|
|
|
|
}; |
79
|
|
|
|
|
|
|
struct HasCursorNext |
80
|
|
|
|
|
|
|
{ |
81
|
|
|
|
|
|
|
template |
82
|
|
|
|
|
|
|
auto requires_(T &t) -> decltype( |
83
|
|
|
|
|
|
|
concepts::valid_expr( |
84
|
|
|
|
|
|
|
(t.next(), concepts::void_) |
85
|
|
|
|
|
|
|
)); |
86
|
|
|
|
|
|
|
}; |
87
|
|
|
|
|
|
|
struct CursorSentinel |
88
|
|
|
|
|
|
|
: concepts::refines |
89
|
|
|
|
|
|
|
{ |
90
|
|
|
|
|
|
|
template |
91
|
|
|
|
|
|
|
auto requires_(S &s, C &c) -> decltype( |
92
|
|
|
|
|
|
|
concepts::valid_expr( |
93
|
|
|
|
|
|
|
concepts::convertible_to(c.equal(s)) |
94
|
|
|
|
|
|
|
)); |
95
|
|
|
|
|
|
|
}; |
96
|
|
|
|
|
|
|
struct ReadableCursor |
97
|
|
|
|
|
|
|
{ |
98
|
|
|
|
|
|
|
template |
99
|
|
|
|
|
|
|
auto requires_(T &t) -> decltype( |
100
|
|
|
|
|
|
|
concepts::valid_expr( |
101
|
|
|
|
|
|
|
t.read() |
102
|
|
|
|
|
|
|
)); |
103
|
|
|
|
|
|
|
}; |
104
|
|
|
|
|
|
|
struct HasCursorArrow |
105
|
|
|
|
|
|
|
{ |
106
|
|
|
|
|
|
|
template |
107
|
|
|
|
|
|
|
auto requires_(C const &c) -> decltype( |
108
|
|
|
|
|
|
|
concepts::valid_expr( |
109
|
|
|
|
|
|
|
c.arrow() |
110
|
|
|
|
|
|
|
)); |
111
|
|
|
|
|
|
|
}; |
112
|
|
|
|
|
|
|
struct WritableCursor |
113
|
|
|
|
|
|
|
{ |
114
|
|
|
|
|
|
|
template |
115
|
|
|
|
|
|
|
auto requires_(T &t, U &&u) -> decltype( |
116
|
|
|
|
|
|
|
concepts::valid_expr( |
117
|
|
|
|
|
|
|
(t.write((U &&) u), 42) |
118
|
|
|
|
|
|
|
)); |
119
|
|
|
|
|
|
|
}; |
120
|
|
|
|
|
|
|
struct SizedCursorSentinel |
121
|
|
|
|
|
|
|
: concepts::refines |
122
|
|
|
|
|
|
|
{ |
123
|
|
|
|
|
|
|
template |
124
|
|
|
|
|
|
|
auto requires_(S &s, C &c) -> decltype( |
125
|
|
|
|
|
|
|
concepts::valid_expr( |
126
|
|
|
|
|
|
|
concepts::model_of(c.distance_to(s)) |
127
|
|
|
|
|
|
|
)); |
128
|
|
|
|
|
|
|
}; |
129
|
|
|
|
|
|
|
struct OutputCursor |
130
|
|
|
|
|
|
|
: concepts::refines |
131
|
|
|
|
|
|
|
{}; |
132
|
|
|
|
|
|
|
struct InputCursor |
133
|
|
|
|
|
|
|
: concepts::refines |
134
|
|
|
|
|
|
|
{}; |
135
|
|
|
|
|
|
|
struct ForwardCursor |
136
|
|
|
|
|
|
|
: concepts::refines |
137
|
|
|
|
|
|
|
{ |
138
|
|
|
|
|
|
|
template |
139
|
|
|
|
|
|
|
auto requires_() -> decltype( |
140
|
|
|
|
|
|
|
concepts::valid_expr( |
141
|
|
|
|
|
|
|
concepts::is_false(single_pass_t>()) |
142
|
|
|
|
|
|
|
)); |
143
|
|
|
|
|
|
|
}; |
144
|
|
|
|
|
|
|
struct BidirectionalCursor |
145
|
|
|
|
|
|
|
: concepts::refines |
146
|
|
|
|
|
|
|
{ |
147
|
|
|
|
|
|
|
template |
148
|
|
|
|
|
|
|
auto requires_(T &t) -> decltype( |
149
|
|
|
|
|
|
|
concepts::valid_expr( |
150
|
|
|
|
|
|
|
(t.prev(), concepts::void_) |
151
|
|
|
|
|
|
|
)); |
152
|
|
|
|
|
|
|
}; |
153
|
|
|
|
|
|
|
struct RandomAccessCursor |
154
|
|
|
|
|
|
|
: concepts::refines |
155
|
|
|
|
|
|
|
{ |
156
|
|
|
|
|
|
|
template |
157
|
|
|
|
|
|
|
auto requires_(T &t) -> decltype( |
158
|
|
|
|
|
|
|
concepts::valid_expr( |
159
|
|
|
|
|
|
|
(t.advance(t.distance_to(t)), concepts::void_) |
160
|
|
|
|
|
|
|
)); |
161
|
|
|
|
|
|
|
}; |
162
|
|
|
|
|
|
|
struct InfiniteCursor |
163
|
|
|
|
|
|
|
{ |
164
|
|
|
|
|
|
|
template |
165
|
|
|
|
|
|
|
auto requires_() -> decltype( |
166
|
|
|
|
|
|
|
concepts::valid_expr( |
167
|
|
|
|
|
|
|
concepts::is_true(typename T::is_infinite{}) |
168
|
|
|
|
|
|
|
)); |
169
|
|
|
|
|
|
|
}; |
170
|
|
|
|
|
|
|
|
171
|
|
|
|
|
|
|
template |
172
|
638
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto begin_cursor(Rng &rng) |
173
|
638
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN_NOEXCEPT |
174
|
|
|
|
|
|
|
( |
175
|
|
|
|
|
|
|
rng.begin_cursor() |
176
|
|
|
|
|
|
|
) |
177
|
|
|
|
|
|
|
template |
178
|
638
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto end_cursor(Rng &rng) |
179
|
638
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN_NOEXCEPT |
180
|
|
|
|
|
|
|
( |
181
|
|
|
|
|
|
|
rng.end_cursor() |
182
|
|
|
|
|
|
|
) |
183
|
|
|
|
|
|
|
|
184
|
|
|
|
|
|
|
template |
185
|
638
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto begin_adaptor(Rng &rng) |
186
|
638
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN_NOEXCEPT |
187
|
|
|
|
|
|
|
( |
188
|
|
|
|
|
|
|
rng.begin_adaptor() |
189
|
|
|
|
|
|
|
) |
190
|
|
|
|
|
|
|
template |
191
|
638
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto end_adaptor(Rng &rng) |
192
|
638
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN_NOEXCEPT |
193
|
|
|
|
|
|
|
( |
194
|
|
|
|
|
|
|
rng.end_adaptor() |
195
|
|
|
|
|
|
|
) |
196
|
|
|
|
|
|
|
|
197
|
|
|
|
|
|
|
template |
198
|
308
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto read(Cur const &pos) |
199
|
308
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN_NOEXCEPT |
200
|
|
|
|
|
|
|
( |
201
|
|
|
|
|
|
|
pos.read() |
202
|
|
|
|
|
|
|
) |
203
|
|
|
|
|
|
|
template |
204
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto arrow(Cur const &pos) |
205
|
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN_NOEXCEPT |
206
|
|
|
|
|
|
|
( |
207
|
|
|
|
|
|
|
pos.arrow() |
208
|
|
|
|
|
|
|
) |
209
|
|
|
|
|
|
|
template |
210
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto move(Cur const &pos) |
211
|
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN_NOEXCEPT |
212
|
|
|
|
|
|
|
( |
213
|
|
|
|
|
|
|
pos.move() |
214
|
|
|
|
|
|
|
) |
215
|
|
|
|
|
|
|
template |
216
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto write(Cur &pos, T && t) |
217
|
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN_NOEXCEPT |
218
|
|
|
|
|
|
|
( |
219
|
|
|
|
|
|
|
pos.write((T &&) t) |
220
|
|
|
|
|
|
|
) |
221
|
|
|
|
|
|
|
template |
222
|
308
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto next(Cur & pos) |
223
|
308
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN |
224
|
|
|
|
|
|
|
( |
225
|
|
|
|
|
|
|
pos.next() |
226
|
|
|
|
|
|
|
) |
227
|
|
|
|
|
|
|
template |
228
|
946
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto equal(Cur const &pos, O const &other) |
229
|
946
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN |
230
|
|
|
|
|
|
|
( |
231
|
|
|
|
|
|
|
pos.equal(other) |
232
|
|
|
|
|
|
|
) |
233
|
|
|
|
|
|
|
template |
234
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto prev(Cur & pos) |
235
|
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN |
236
|
|
|
|
|
|
|
( |
237
|
|
|
|
|
|
|
pos.prev() |
238
|
|
|
|
|
|
|
) |
239
|
|
|
|
|
|
|
template |
240
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto advance(Cur & pos, D n) |
241
|
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN |
242
|
|
|
|
|
|
|
( |
243
|
|
|
|
|
|
|
pos.advance(n) |
244
|
|
|
|
|
|
|
) |
245
|
|
|
|
|
|
|
template |
246
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR auto distance_to(Cur const &pos, O const &other) |
247
|
|
|
|
|
|
|
RANGES_DECLTYPE_AUTO_RETURN |
248
|
|
|
|
|
|
|
( |
249
|
|
|
|
|
|
|
pos.distance_to(other) |
250
|
|
|
|
|
|
|
) |
251
|
|
|
|
|
|
|
|
252
|
|
|
|
|
|
|
private: |
253
|
|
|
|
|
|
|
template |
254
|
|
|
|
|
|
|
using sized_cursor_difference_t = |
255
|
|
|
|
|
|
|
decltype(range_access::distance_to(std::declval(), std::declval())); |
256
|
|
|
|
|
|
|
|
257
|
|
|
|
|
|
|
template |
258
|
|
|
|
|
|
|
static std::ptrdiff_t cursor_difference_2_(detail::any); |
259
|
|
|
|
|
|
|
template |
260
|
|
|
|
|
|
|
static sized_cursor_difference_t cursor_difference_2_(long); |
261
|
|
|
|
|
|
|
template |
262
|
|
|
|
|
|
|
static typename T::difference_type cursor_difference_2_(int); |
263
|
|
|
|
|
|
|
|
264
|
|
|
|
|
|
|
template |
265
|
|
|
|
|
|
|
using cursor_reference_t = decltype(std::declval().read()); |
266
|
|
|
|
|
|
|
|
267
|
|
|
|
|
|
|
template |
268
|
|
|
|
|
|
|
static meta::id>> cursor_value_2_(long); |
269
|
|
|
|
|
|
|
template |
270
|
|
|
|
|
|
|
static meta::id cursor_value_2_(int); |
271
|
|
|
|
|
|
|
|
272
|
|
|
|
|
|
|
#ifdef RANGES_WORKAROUND_CWG_1554 |
273
|
|
|
|
|
|
|
template |
274
|
|
|
|
|
|
|
struct cursor_difference |
275
|
|
|
|
|
|
|
{ |
276
|
|
|
|
|
|
|
using type = decltype(range_access::cursor_difference_2_(42)); |
277
|
|
|
|
|
|
|
}; |
278
|
|
|
|
|
|
|
|
279
|
|
|
|
|
|
|
template |
280
|
|
|
|
|
|
|
struct cursor_value |
281
|
|
|
|
|
|
|
: decltype(range_access::cursor_value_2_(42)) |
282
|
|
|
|
|
|
|
{}; |
283
|
|
|
|
|
|
|
#endif // RANGES_WORKAROUND_CWG_1554 |
284
|
|
|
|
|
|
|
public: |
285
|
|
|
|
|
|
|
#ifdef RANGES_WORKAROUND_CWG_1554 |
286
|
|
|
|
|
|
|
template |
287
|
|
|
|
|
|
|
using cursor_difference_t = meta::_t>; |
288
|
|
|
|
|
|
|
|
289
|
|
|
|
|
|
|
template |
290
|
|
|
|
|
|
|
using cursor_value_t = meta::_t>; |
291
|
|
|
|
|
|
|
#else // ^^^ workaround ^^^ / vvv no workaround vvv |
292
|
|
|
|
|
|
|
template |
293
|
|
|
|
|
|
|
using cursor_difference_t = decltype(range_access::cursor_difference_2_(42)); |
294
|
|
|
|
|
|
|
|
295
|
|
|
|
|
|
|
template |
296
|
|
|
|
|
|
|
using cursor_value_t = meta::_t(42))>; |
297
|
|
|
|
|
|
|
#endif // RANGES_WORKAROUND_CWG_1554 |
298
|
|
|
|
|
|
|
|
299
|
|
|
|
|
|
|
template |
300
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR Cur &pos(basic_iterator &it) noexcept |
301
|
|
|
|
|
|
|
{ |
302
|
|
|
|
|
|
|
return it.pos(); |
303
|
|
|
|
|
|
|
} |
304
|
|
|
|
|
|
|
template |
305
|
946
|
|
|
|
|
|
static constexpr Cur const &pos(basic_iterator const &it) noexcept |
306
|
|
|
|
|
|
|
{ |
307
|
946
|
|
|
|
|
|
return it.pos(); |
308
|
|
|
|
|
|
|
} |
309
|
|
|
|
|
|
|
template |
310
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR Cur &&pos(basic_iterator &&it) noexcept |
311
|
|
|
|
|
|
|
{ |
312
|
|
|
|
|
|
|
return detail::move(it.pos()); |
313
|
|
|
|
|
|
|
} |
314
|
|
|
|
|
|
|
|
315
|
|
|
|
|
|
|
template |
316
|
|
|
|
|
|
|
static RANGES_CXX14_CONSTEXPR Cur cursor(basic_iterator it) |
317
|
|
|
|
|
|
|
{ |
318
|
|
|
|
|
|
|
return std::move(it.pos()); |
319
|
|
|
|
|
|
|
} |
320
|
|
|
|
|
|
|
/// endcond |
321
|
|
|
|
|
|
|
}; |
322
|
|
|
|
|
|
|
/// @} |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
/// \cond |
325
|
|
|
|
|
|
|
namespace detail |
326
|
|
|
|
|
|
|
{ |
327
|
|
|
|
|
|
|
template |
328
|
|
|
|
|
|
|
using Cursor = |
329
|
|
|
|
|
|
|
concepts::models; |
330
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
template |
332
|
|
|
|
|
|
|
using CursorSentinel = |
333
|
|
|
|
|
|
|
concepts::models; |
334
|
|
|
|
|
|
|
|
335
|
|
|
|
|
|
|
template |
336
|
|
|
|
|
|
|
using ReadableCursor = |
337
|
|
|
|
|
|
|
concepts::models; |
338
|
|
|
|
|
|
|
|
339
|
|
|
|
|
|
|
template |
340
|
|
|
|
|
|
|
using WritableCursor = |
341
|
|
|
|
|
|
|
concepts::models; |
342
|
|
|
|
|
|
|
|
343
|
|
|
|
|
|
|
template |
344
|
|
|
|
|
|
|
using HasCursorNext = |
345
|
|
|
|
|
|
|
concepts::models; |
346
|
|
|
|
|
|
|
|
347
|
|
|
|
|
|
|
template |
348
|
|
|
|
|
|
|
using HasCursorArrow = |
349
|
|
|
|
|
|
|
concepts::models; |
350
|
|
|
|
|
|
|
|
351
|
|
|
|
|
|
|
template |
352
|
|
|
|
|
|
|
using SizedCursorSentinel = |
353
|
|
|
|
|
|
|
concepts::models; |
354
|
|
|
|
|
|
|
|
355
|
|
|
|
|
|
|
template |
356
|
|
|
|
|
|
|
using OutputCursor = |
357
|
|
|
|
|
|
|
concepts::models; |
358
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
template |
360
|
|
|
|
|
|
|
using InputCursor = |
361
|
|
|
|
|
|
|
concepts::models; |
362
|
|
|
|
|
|
|
|
363
|
|
|
|
|
|
|
template |
364
|
|
|
|
|
|
|
using ForwardCursor = |
365
|
|
|
|
|
|
|
concepts::models; |
366
|
|
|
|
|
|
|
|
367
|
|
|
|
|
|
|
template |
368
|
|
|
|
|
|
|
using BidirectionalCursor = |
369
|
|
|
|
|
|
|
concepts::models; |
370
|
|
|
|
|
|
|
|
371
|
|
|
|
|
|
|
template |
372
|
|
|
|
|
|
|
using RandomAccessCursor = |
373
|
|
|
|
|
|
|
concepts::models; |
374
|
|
|
|
|
|
|
|
375
|
|
|
|
|
|
|
template |
376
|
|
|
|
|
|
|
using InfiniteCursor = |
377
|
|
|
|
|
|
|
concepts::models; |
378
|
|
|
|
|
|
|
|
379
|
|
|
|
|
|
|
template |
380
|
|
|
|
|
|
|
using cursor_concept = |
381
|
|
|
|
|
|
|
concepts::most_refined< |
382
|
|
|
|
|
|
|
meta::list< |
383
|
|
|
|
|
|
|
range_access::RandomAccessCursor, |
384
|
|
|
|
|
|
|
range_access::BidirectionalCursor, |
385
|
|
|
|
|
|
|
range_access::ForwardCursor, |
386
|
|
|
|
|
|
|
range_access::InputCursor, |
387
|
|
|
|
|
|
|
range_access::Cursor>, T>; |
388
|
|
|
|
|
|
|
|
389
|
|
|
|
|
|
|
template |
390
|
|
|
|
|
|
|
using cursor_concept_t = meta::_t>; |
391
|
|
|
|
|
|
|
|
392
|
|
|
|
|
|
|
template()> |
393
|
|
|
|
|
|
|
struct is_writable_cursor_ |
394
|
|
|
|
|
|
|
: std::true_type |
395
|
|
|
|
|
|
|
{}; |
396
|
|
|
|
|
|
|
|
397
|
|
|
|
|
|
|
template |
398
|
|
|
|
|
|
|
struct is_writable_cursor_ |
399
|
|
|
|
|
|
|
: WritableCursor> |
400
|
|
|
|
|
|
|
{}; |
401
|
|
|
|
|
|
|
|
402
|
|
|
|
|
|
|
template |
403
|
|
|
|
|
|
|
struct is_writable_cursor |
404
|
|
|
|
|
|
|
: detail::is_writable_cursor_ |
405
|
|
|
|
|
|
|
{}; |
406
|
|
|
|
|
|
|
} |
407
|
|
|
|
|
|
|
/// \endcond |
408
|
|
|
|
|
|
|
} |
409
|
|
|
|
|
|
|
} |
410
|
|
|
|
|
|
|
|
411
|
|
|
|
|
|
|
#endif |