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Persist

Struct Persist 

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pub struct Persist<Psh, Buf> { /* private fields */ }
Available on crate feature alloc only.
Expand description

Special push operator for the persist operator.

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impl<Psh, Item, Buf> Push<Item, ()> for Persist<Psh, Buf>
where Psh: Push<Item, ()>, Item: Clone, Buf: BorrowMut<Vec<Item>>,

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type Ctx<'ctx> = <Psh as Push<Item, ()>>::Ctx<'ctx>

The context type required to push into this pipeline.
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type CanPend = <Psh as Push<Item, ()>>::CanPend

Whether this push can return PushStep::Pending.
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fn poll_ready( self: Pin<&mut Self>, ctx: &mut Self::Ctx<'_>, ) -> PushStep<Self::CanPend>

Check if this push is ready to accept an item.
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fn start_send(self: Pin<&mut Self>, item: Item, _meta: ())

Send an item into this push pipeline. Read more
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fn poll_flush( self: Pin<&mut Self>, ctx: &mut Self::Ctx<'_>, ) -> PushStep<Self::CanPend>

Flushes any buffered items in this push pipeline.
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fn size_hint(self: Pin<&mut Self>, hint: (usize, Option<usize>))

Informs this push how many items are about to be sent. Read more
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impl<'__pin, Psh, Buf> Unpin for Persist<Psh, Buf>
where PinnedFieldsOf<__Origin<'__pin, Psh, Buf>>: Unpin,

Auto Trait Implementations§

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impl<Psh, Buf> Freeze for Persist<Psh, Buf>
where Psh: Freeze, Buf: Freeze,

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impl<Psh, Buf> RefUnwindSafe for Persist<Psh, Buf>
where Psh: RefUnwindSafe, Buf: RefUnwindSafe,

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impl<Psh, Buf> Send for Persist<Psh, Buf>
where Psh: Send, Buf: Send,

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impl<Psh, Buf> Sync for Persist<Psh, Buf>
where Psh: Sync, Buf: Sync,

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impl<Psh, Buf> UnsafeUnpin for Persist<Psh, Buf>
where Psh: UnsafeUnpin, Buf: UnsafeUnpin,

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impl<Psh, Buf> UnwindSafe for Persist<Psh, Buf>
where Psh: UnwindSafe, Buf: 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<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.