tmp/tmpsd9_be16/{from.md → to.md}
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| 1 |
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### Members <a id="coro.generator.members">[[coro.generator.members]]</a>
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``` cpp
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generator(generator&& other) noexcept;
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```
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*Effects:* Initializes *coroutine\_* with
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`exchange(other.`*`coroutine_`*`, {})` and *active\_* with
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`exchange(other.active_, nullptr)`.
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[*Note 1*: Iterators previously obtained from `other` are not
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invalidated; they become iterators into `*this`. — *end note*]
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``` cpp
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~generator();
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```
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*Effects:* Equivalent to:
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``` cpp
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if (coroutine_) {
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coroutine_.destroy();
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}
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```
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[*Note 2*: Ownership of recursively yielded generators is held in
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awaitable objects in the coroutine frame of the yielding generator, so
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destroying the root generator effectively destroys the entire stack of
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yielded generators. — *end note*]
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``` cpp
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generator& operator=(generator other) noexcept;
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```
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*Effects:* Equivalent to:
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``` cpp
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swap(coroutine_, other.coroutine_);
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swap(active_, other.active_);
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```
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*Returns:* `*this`.
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[*Note 3*: Iterators previously obtained from `other` are not
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invalidated; they become iterators into `*this`. — *end note*]
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| 46 |
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| 47 |
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``` cpp
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| 48 |
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iterator begin();
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| 49 |
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```
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| 50 |
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| 51 |
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*Preconditions:* *coroutine\_* refers to a coroutine suspended at its
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initial suspend point [[dcl.fct.def.coroutine]].
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| 53 |
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*Effects:* Pushes *coroutine\_* into `*`*`active_`*, then evaluates
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*`coroutine_`*`.resume()`.
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*Returns:* An *iterator* object whose member *coroutine\_* refers to the
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same coroutine as does *coroutine\_*.
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[*Note 4*: A program that calls `begin` more than once on the same
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| 61 |
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generator has undefined behavior. — *end note*]
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``` cpp
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default_sentinel_t end() const noexcept;
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```
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*Returns:* `default_sentinel`.
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