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Once

generator_light::ext

Struct Once 

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pub struct Once<Y>(/* private fields */);

Trait Implementations§

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impl<Y> Generator for Once<Y>

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type Return = ()

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type Yield = Y

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fn resume( self: Pin<&mut Self>, _value: (), ) -> GeneratorState<Self::Yield, Self::Return>

Auto Trait Implementations§

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impl<Y> Freeze for Once<Y>
where Y: Freeze,

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impl<Y> RefUnwindSafe for Once<Y>
where Y: RefUnwindSafe,

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impl<Y> Send for Once<Y>
where Y: Send,

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impl<Y> Sync for Once<Y>
where Y: Sync,

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impl<Y> Unpin for Once<Y>
where Y: Unpin,

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impl<Y> UnsafeUnpin for Once<Y>
where Y: UnsafeUnpin,

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impl<Y> UnwindSafe for Once<Y>
where Y: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<G, R> GeneratorExt<R> for G
where G: Generator<R>,

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fn receiving<F, U>(self, f: F) -> Receiving<Self, F>
where Self: Sized, F: FnMut(U) -> R,

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fn compose<G: Generator<Self::Yield>>(self, then: G) -> Compose<Self, G>
where Self: Sized,

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fn map_complete<U, F>(self, f: F) -> MapComplete<Self, F>
where Self: Sized, F: FnOnce(Self::Return) -> U,

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fn map_yield<U, F>(self, f: F) -> MapYield<Self, F>
where Self: Sized, F: FnMut(Self::Yield) -> U,

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fn and_then<G, F>(self, f: F) -> AndThen<Self, F, G>
where Self: Sized, G: Generator<R, Yield = Self::Yield>, F: FnOnce(Self::Return) -> G,

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fn flatten(self) -> Flatten<Self, Self::Yield>
where Self: Sized, Self::Yield: Generator<R, Return = ()>,

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impl<G> GeneratorIterator for G
where G: Generator<Return = ()> + Unpin,

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type Item = <G as Generator>::Yield

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type Iter = Iter<G>

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fn into_iter(self) -> <G as GeneratorIterator>::Iter

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.