tmp/tmp9yylk4il/{from.md → to.md}
RENAMED
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| 1 |
+
### Class `generator::iterator` <a id="coro.generator.iterator">[[coro.generator.iterator]]</a>
|
| 2 |
+
|
| 3 |
+
``` cpp
|
| 4 |
+
namespace std {
|
| 5 |
+
template<class Ref, class V, class Allocator>
|
| 6 |
+
class generator<Ref, V, Allocator>::iterator {
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| 7 |
+
public:
|
| 8 |
+
using value_type = value;
|
| 9 |
+
using difference_type = ptrdiff_t;
|
| 10 |
+
|
| 11 |
+
iterator(iterator&& other) noexcept;
|
| 12 |
+
iterator& operator=(iterator&& other) noexcept;
|
| 13 |
+
|
| 14 |
+
reference operator*() const noexcept(is_nothrow_copy_constructible_v<reference>);
|
| 15 |
+
iterator& operator++();
|
| 16 |
+
void operator++(int);
|
| 17 |
+
|
| 18 |
+
friend bool operator==(const iterator& i, default_sentinel_t);
|
| 19 |
+
|
| 20 |
+
private:
|
| 21 |
+
coroutine_handle<promise_type> coroutine_; // exposition only
|
| 22 |
+
};
|
| 23 |
+
}
|
| 24 |
+
```
|
| 25 |
+
|
| 26 |
+
``` cpp
|
| 27 |
+
iterator(iterator&& other) noexcept;
|
| 28 |
+
```
|
| 29 |
+
|
| 30 |
+
*Effects:* Initializes *coroutine\_* with
|
| 31 |
+
`exchange(other.`*`coroutine_`*`, {})`.
|
| 32 |
+
|
| 33 |
+
``` cpp
|
| 34 |
+
iterator& operator=(iterator&& other) noexcept;
|
| 35 |
+
```
|
| 36 |
+
|
| 37 |
+
*Effects:* Equivalent to
|
| 38 |
+
*`coroutine_`*` = exchange(other.`*`coroutine_`*`, {})`.
|
| 39 |
+
|
| 40 |
+
*Returns:* `*this`.
|
| 41 |
+
|
| 42 |
+
``` cpp
|
| 43 |
+
reference operator*() const noexcept(is_nothrow_copy_constructible_v<reference>);
|
| 44 |
+
```
|
| 45 |
+
|
| 46 |
+
*Preconditions:* For some `generator` object `x`, *coroutine\_* is in
|
| 47 |
+
`*x.`*`active_`* and `x.`*`active_`*`->top()` refers to a suspended
|
| 48 |
+
coroutine with promise object `p`.
|
| 49 |
+
|
| 50 |
+
*Effects:* Equivalent to:
|
| 51 |
+
`return static_cast<`*`reference`*`>(*p.`*`value_`*`);`
|
| 52 |
+
|
| 53 |
+
``` cpp
|
| 54 |
+
iterator& operator++();
|
| 55 |
+
```
|
| 56 |
+
|
| 57 |
+
*Preconditions:* For some `generator` object `x`, *coroutine\_* is in
|
| 58 |
+
`*x.`*`active_`*.
|
| 59 |
+
|
| 60 |
+
*Effects:* Equivalent to `x.`*`active_`*`->top().resume()`.
|
| 61 |
+
|
| 62 |
+
*Returns:* `*this`.
|
| 63 |
+
|
| 64 |
+
``` cpp
|
| 65 |
+
void operator++(int);
|
| 66 |
+
```
|
| 67 |
+
|
| 68 |
+
*Effects:* Equivalent to `++*this`.
|
| 69 |
+
|
| 70 |
+
``` cpp
|
| 71 |
+
friend bool operator==(const iterator& i, default_sentinel_t);
|
| 72 |
+
```
|
| 73 |
+
|
| 74 |
+
*Effects:* Equivalent to: `return i.`*`coroutine_`*`.done();`
|
| 75 |
+
|
| 76 |
+
<!-- Link reference definitions -->
|
| 77 |
+
[basic.lookup.argdep]: basic.md#basic.lookup.argdep
|
| 78 |
+
[concepts.equality]: concepts.md#concepts.equality
|
| 79 |
+
[containers]: containers.md#containers
|
| 80 |
+
[conv.rval]: expr.md#conv.rval
|
| 81 |
+
[coro.generator]: #coro.generator
|
| 82 |
+
[coro.generator.class]: #coro.generator.class
|
| 83 |
+
[coro.generator.iterator]: #coro.generator.iterator
|
| 84 |
+
[coro.generator.members]: #coro.generator.members
|
| 85 |
+
[coro.generator.promise]: #coro.generator.promise
|
| 86 |
+
[coroutine.generator.overview]: #coroutine.generator.overview
|
| 87 |
+
[customization.point.object]: library.md#customization.point.object
|
| 88 |
+
[dcl.fct.def.coroutine]: dcl.md#dcl.fct.def.coroutine
|
| 89 |
+
[dcl.init.general]: dcl.md#dcl.init.general
|
| 90 |
+
[expr.await]: expr.md#expr.await
|
| 91 |
+
[expr.const]: expr.md#expr.const
|
| 92 |
+
[expr.yield]: expr.md#expr.yield
|
| 93 |
+
[generator.syn]: #generator.syn
|
| 94 |
+
[iterator.concept.bidir]: iterators.md#iterator.concept.bidir
|
| 95 |
+
[iterator.concept.forward]: iterators.md#iterator.concept.forward
|
| 96 |
+
[iterator.concept.iterator]: iterators.md#iterator.concept.iterator
|
| 97 |
+
[iterator.concept.output]: iterators.md#iterator.concept.output
|
| 98 |
+
[iterator.concept.random.access]: iterators.md#iterator.concept.random.access
|
| 99 |
+
[iterator.concept.sizedsentinel]: iterators.md#iterator.concept.sizedsentinel
|
| 100 |
+
[iterator.concept.winc]: iterators.md#iterator.concept.winc
|
| 101 |
+
[iterator.requirements.general]: iterators.md#iterator.requirements.general
|
| 102 |
+
[namespace.std]: library.md#namespace.std
|
| 103 |
+
[range.access]: #range.access
|
| 104 |
+
[range.access.begin]: #range.access.begin
|
| 105 |
+
[range.access.cbegin]: #range.access.cbegin
|
| 106 |
+
[range.access.cend]: #range.access.cend
|
| 107 |
+
[range.access.crbegin]: #range.access.crbegin
|
| 108 |
+
[range.access.crend]: #range.access.crend
|
| 109 |
+
[range.access.end]: #range.access.end
|
| 110 |
+
[range.access.general]: #range.access.general
|
| 111 |
+
[range.access.rbegin]: #range.access.rbegin
|
| 112 |
+
[range.access.rend]: #range.access.rend
|
| 113 |
+
[range.adaptor.helpers]: #range.adaptor.helpers
|
| 114 |
+
[range.adaptor.object]: #range.adaptor.object
|
| 115 |
+
[range.adaptors]: #range.adaptors
|
| 116 |
+
[range.adaptors.general]: #range.adaptors.general
|
| 117 |
+
[range.adjacent]: #range.adjacent
|
| 118 |
+
[range.adjacent.iterator]: #range.adjacent.iterator
|
| 119 |
+
[range.adjacent.overview]: #range.adjacent.overview
|
| 120 |
+
[range.adjacent.sentinel]: #range.adjacent.sentinel
|
| 121 |
+
[range.adjacent.transform]: #range.adjacent.transform
|
| 122 |
+
[range.adjacent.transform.iterator]: #range.adjacent.transform.iterator
|
| 123 |
+
[range.adjacent.transform.overview]: #range.adjacent.transform.overview
|
| 124 |
+
[range.adjacent.transform.sentinel]: #range.adjacent.transform.sentinel
|
| 125 |
+
[range.adjacent.transform.view]: #range.adjacent.transform.view
|
| 126 |
+
[range.adjacent.view]: #range.adjacent.view
|
| 127 |
+
[range.all]: #range.all
|
| 128 |
+
[range.all.general]: #range.all.general
|
| 129 |
+
[range.as.const]: #range.as.const
|
| 130 |
+
[range.as.const.overview]: #range.as.const.overview
|
| 131 |
+
[range.as.const.view]: #range.as.const.view
|
| 132 |
+
[range.as.rvalue]: #range.as.rvalue
|
| 133 |
+
[range.as.rvalue.overview]: #range.as.rvalue.overview
|
| 134 |
+
[range.as.rvalue.view]: #range.as.rvalue.view
|
| 135 |
+
[range.cartesian]: #range.cartesian
|
| 136 |
+
[range.cartesian.iterator]: #range.cartesian.iterator
|
| 137 |
+
[range.cartesian.overview]: #range.cartesian.overview
|
| 138 |
+
[range.cartesian.view]: #range.cartesian.view
|
| 139 |
+
[range.chunk]: #range.chunk
|
| 140 |
+
[range.chunk.by]: #range.chunk.by
|
| 141 |
+
[range.chunk.by.iter]: #range.chunk.by.iter
|
| 142 |
+
[range.chunk.by.overview]: #range.chunk.by.overview
|
| 143 |
+
[range.chunk.by.view]: #range.chunk.by.view
|
| 144 |
+
[range.chunk.fwd.iter]: #range.chunk.fwd.iter
|
| 145 |
+
[range.chunk.inner.iter]: #range.chunk.inner.iter
|
| 146 |
+
[range.chunk.outer.iter]: #range.chunk.outer.iter
|
| 147 |
+
[range.chunk.outer.value]: #range.chunk.outer.value
|
| 148 |
+
[range.chunk.overview]: #range.chunk.overview
|
| 149 |
+
[range.chunk.view.fwd]: #range.chunk.view.fwd
|
| 150 |
+
[range.chunk.view.input]: #range.chunk.view.input
|
| 151 |
+
[range.common]: #range.common
|
| 152 |
+
[range.common.overview]: #range.common.overview
|
| 153 |
+
[range.common.view]: #range.common.view
|
| 154 |
+
[range.counted]: #range.counted
|
| 155 |
+
[range.dangling]: #range.dangling
|
| 156 |
+
[range.drop]: #range.drop
|
| 157 |
+
[range.drop.overview]: #range.drop.overview
|
| 158 |
+
[range.drop.view]: #range.drop.view
|
| 159 |
+
[range.drop.while]: #range.drop.while
|
| 160 |
+
[range.drop.while.overview]: #range.drop.while.overview
|
| 161 |
+
[range.drop.while.view]: #range.drop.while.view
|
| 162 |
+
[range.elements]: #range.elements
|
| 163 |
+
[range.elements.iterator]: #range.elements.iterator
|
| 164 |
+
[range.elements.overview]: #range.elements.overview
|
| 165 |
+
[range.elements.sentinel]: #range.elements.sentinel
|
| 166 |
+
[range.elements.view]: #range.elements.view
|
| 167 |
+
[range.elementsof]: #range.elementsof
|
| 168 |
+
[range.empty]: #range.empty
|
| 169 |
+
[range.empty.overview]: #range.empty.overview
|
| 170 |
+
[range.empty.view]: #range.empty.view
|
| 171 |
+
[range.enumerate]: #range.enumerate
|
| 172 |
+
[range.enumerate.iterator]: #range.enumerate.iterator
|
| 173 |
+
[range.enumerate.overview]: #range.enumerate.overview
|
| 174 |
+
[range.enumerate.sentinel]: #range.enumerate.sentinel
|
| 175 |
+
[range.enumerate.view]: #range.enumerate.view
|
| 176 |
+
[range.factories]: #range.factories
|
| 177 |
+
[range.factories.general]: #range.factories.general
|
| 178 |
+
[range.filter]: #range.filter
|
| 179 |
+
[range.filter.iterator]: #range.filter.iterator
|
| 180 |
+
[range.filter.overview]: #range.filter.overview
|
| 181 |
+
[range.filter.sentinel]: #range.filter.sentinel
|
| 182 |
+
[range.filter.view]: #range.filter.view
|
| 183 |
+
[range.iota]: #range.iota
|
| 184 |
+
[range.iota.iterator]: #range.iota.iterator
|
| 185 |
+
[range.iota.overview]: #range.iota.overview
|
| 186 |
+
[range.iota.sentinel]: #range.iota.sentinel
|
| 187 |
+
[range.iota.view]: #range.iota.view
|
| 188 |
+
[range.istream]: #range.istream
|
| 189 |
+
[range.istream.iterator]: #range.istream.iterator
|
| 190 |
+
[range.istream.overview]: #range.istream.overview
|
| 191 |
+
[range.istream.view]: #range.istream.view
|
| 192 |
+
[range.join]: #range.join
|
| 193 |
+
[range.join.iterator]: #range.join.iterator
|
| 194 |
+
[range.join.overview]: #range.join.overview
|
| 195 |
+
[range.join.sentinel]: #range.join.sentinel
|
| 196 |
+
[range.join.view]: #range.join.view
|
| 197 |
+
[range.join.with]: #range.join.with
|
| 198 |
+
[range.join.with.iterator]: #range.join.with.iterator
|
| 199 |
+
[range.join.with.overview]: #range.join.with.overview
|
| 200 |
+
[range.join.with.sentinel]: #range.join.with.sentinel
|
| 201 |
+
[range.join.with.view]: #range.join.with.view
|
| 202 |
+
[range.lazy.split]: #range.lazy.split
|
| 203 |
+
[range.lazy.split.inner]: #range.lazy.split.inner
|
| 204 |
+
[range.lazy.split.outer]: #range.lazy.split.outer
|
| 205 |
+
[range.lazy.split.outer.value]: #range.lazy.split.outer.value
|
| 206 |
+
[range.lazy.split.overview]: #range.lazy.split.overview
|
| 207 |
+
[range.lazy.split.view]: #range.lazy.split.view
|
| 208 |
+
[range.move.wrap]: #range.move.wrap
|
| 209 |
+
[range.nonprop.cache]: #range.nonprop.cache
|
| 210 |
+
[range.owning.view]: #range.owning.view
|
| 211 |
+
[range.prim.cdata]: #range.prim.cdata
|
| 212 |
+
[range.prim.data]: #range.prim.data
|
| 213 |
+
[range.prim.empty]: #range.prim.empty
|
| 214 |
+
[range.prim.size]: #range.prim.size
|
| 215 |
+
[range.prim.ssize]: #range.prim.ssize
|
| 216 |
+
[range.range]: #range.range
|
| 217 |
+
[range.ref.view]: #range.ref.view
|
| 218 |
+
[range.refinements]: #range.refinements
|
| 219 |
+
[range.repeat]: #range.repeat
|
| 220 |
+
[range.repeat.iterator]: #range.repeat.iterator
|
| 221 |
+
[range.repeat.overview]: #range.repeat.overview
|
| 222 |
+
[range.repeat.view]: #range.repeat.view
|
| 223 |
+
[range.req]: #range.req
|
| 224 |
+
[range.req.general]: #range.req.general
|
| 225 |
+
[range.reverse]: #range.reverse
|
| 226 |
+
[range.reverse.overview]: #range.reverse.overview
|
| 227 |
+
[range.reverse.view]: #range.reverse.view
|
| 228 |
+
[range.single]: #range.single
|
| 229 |
+
[range.single.overview]: #range.single.overview
|
| 230 |
+
[range.single.view]: #range.single.view
|
| 231 |
+
[range.sized]: #range.sized
|
| 232 |
+
[range.slide]: #range.slide
|
| 233 |
+
[range.slide.iterator]: #range.slide.iterator
|
| 234 |
+
[range.slide.overview]: #range.slide.overview
|
| 235 |
+
[range.slide.sentinel]: #range.slide.sentinel
|
| 236 |
+
[range.slide.view]: #range.slide.view
|
| 237 |
+
[range.split]: #range.split
|
| 238 |
+
[range.split.iterator]: #range.split.iterator
|
| 239 |
+
[range.split.overview]: #range.split.overview
|
| 240 |
+
[range.split.sentinel]: #range.split.sentinel
|
| 241 |
+
[range.split.view]: #range.split.view
|
| 242 |
+
[range.stride]: #range.stride
|
| 243 |
+
[range.stride.iterator]: #range.stride.iterator
|
| 244 |
+
[range.stride.overview]: #range.stride.overview
|
| 245 |
+
[range.stride.view]: #range.stride.view
|
| 246 |
+
[range.subrange]: #range.subrange
|
| 247 |
+
[range.subrange.access]: #range.subrange.access
|
| 248 |
+
[range.subrange.ctor]: #range.subrange.ctor
|
| 249 |
+
[range.subrange.general]: #range.subrange.general
|
| 250 |
+
[range.summary]: #range.summary
|
| 251 |
+
[range.take]: #range.take
|
| 252 |
+
[range.take.overview]: #range.take.overview
|
| 253 |
+
[range.take.sentinel]: #range.take.sentinel
|
| 254 |
+
[range.take.view]: #range.take.view
|
| 255 |
+
[range.take.while]: #range.take.while
|
| 256 |
+
[range.take.while.overview]: #range.take.while.overview
|
| 257 |
+
[range.take.while.sentinel]: #range.take.while.sentinel
|
| 258 |
+
[range.take.while.view]: #range.take.while.view
|
| 259 |
+
[range.transform]: #range.transform
|
| 260 |
+
[range.transform.iterator]: #range.transform.iterator
|
| 261 |
+
[range.transform.overview]: #range.transform.overview
|
| 262 |
+
[range.transform.sentinel]: #range.transform.sentinel
|
| 263 |
+
[range.transform.view]: #range.transform.view
|
| 264 |
+
[range.utility]: #range.utility
|
| 265 |
+
[range.utility.conv]: #range.utility.conv
|
| 266 |
+
[range.utility.conv.adaptors]: #range.utility.conv.adaptors
|
| 267 |
+
[range.utility.conv.general]: #range.utility.conv.general
|
| 268 |
+
[range.utility.conv.to]: #range.utility.conv.to
|
| 269 |
+
[range.utility.general]: #range.utility.general
|
| 270 |
+
[range.utility.helpers]: #range.utility.helpers
|
| 271 |
+
[range.view]: #range.view
|
| 272 |
+
[range.zip]: #range.zip
|
| 273 |
+
[range.zip.iterator]: #range.zip.iterator
|
| 274 |
+
[range.zip.overview]: #range.zip.overview
|
| 275 |
+
[range.zip.sentinel]: #range.zip.sentinel
|
| 276 |
+
[range.zip.transform]: #range.zip.transform
|
| 277 |
+
[range.zip.transform.iterator]: #range.zip.transform.iterator
|
| 278 |
+
[range.zip.transform.overview]: #range.zip.transform.overview
|
| 279 |
+
[range.zip.transform.sentinel]: #range.zip.transform.sentinel
|
| 280 |
+
[range.zip.transform.view]: #range.zip.transform.view
|
| 281 |
+
[range.zip.view]: #range.zip.view
|
| 282 |
+
[ranges]: #ranges
|
| 283 |
+
[ranges.general]: #ranges.general
|
| 284 |
+
[ranges.syn]: #ranges.syn
|
| 285 |
+
[string.view]: strings.md#string.view
|
| 286 |
+
[term.array.type]: dcl.md#term.array.type
|
| 287 |
+
[term.perfect.forwarding.call.wrapper]: utilities.md#term.perfect.forwarding.call.wrapper
|
| 288 |
+
[view.interface]: #view.interface
|
| 289 |
+
[view.interface.general]: #view.interface.general
|
| 290 |
+
[view.interface.members]: #view.interface.members
|
| 291 |
+
[views.span]: containers.md#views.span
|