pingora_load_balancing::selection

Struct UniqueIterator

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pub struct UniqueIterator<I>
where
    I: BackendIter,
{ /* private fields */ }
Expand description

An iterator which wraps another iterator and yields unique items. It optionally takes a max number of iterations if the wrapped iterator never returns.

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impl<I> UniqueIterator<I>
where I: BackendIter,

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pub fn new(iter: I, max_iterations: usize) -> Self

Wrap a new iterator and specify the maximum number of times we want to iterate.

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pub fn get_next(&mut self) -> Option<Backend>

Auto Trait Implementations§

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impl<I> Freeze for UniqueIterator<I>
where I: Freeze,

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impl<I> RefUnwindSafe for UniqueIterator<I>
where I: RefUnwindSafe,

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impl<I> Send for UniqueIterator<I>
where I: Send,

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impl<I> Sync for UniqueIterator<I>
where I: Sync,

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impl<I> Unpin for UniqueIterator<I>
where I: Unpin,

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impl<I> UnwindSafe for UniqueIterator<I>
where I: 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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, 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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more