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FilterStream

asupersync::transport::stream

Struct FilterStream 

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pub struct FilterStream<S, F> { /* private fields */ }
Expand description

Stream that filters items.

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impl<S, F> SymbolStream for FilterStream<S, F>
where S: SymbolStream + Unpin, F: FnMut(&AuthenticatedSymbol) -> bool + Send + Unpin,

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fn poll_next( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Option<Result<AuthenticatedSymbol, StreamError>>>

Receive the next symbol. Read more
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fn size_hint(&self) -> (usize, Option<usize>)

Hint about remaining symbols (if known).
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fn is_exhausted(&self) -> bool

Check if the stream is exhausted.

Auto Trait Implementations§

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impl<S, F> Freeze for FilterStream<S, F>
where S: Freeze, F: Freeze,

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impl<S, F> RefUnwindSafe for FilterStream<S, F>
where S: RefUnwindSafe, F: RefUnwindSafe,

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impl<S, F> Send for FilterStream<S, F>
where S: Send, F: Send,

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impl<S, F> Sync for FilterStream<S, F>
where S: Sync, F: Sync,

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impl<S, F> Unpin for FilterStream<S, F>
where S: Unpin, F: Unpin,

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impl<S, F> UnsafeUnpin for FilterStream<S, F>
where S: UnsafeUnpin, F: UnsafeUnpin,

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impl<S, F> UnwindSafe for FilterStream<S, F>
where S: UnwindSafe, F: 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: NoopSpan) -> Self

Instruments this future with a span (no-op when disabled).
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fn in_current_span(self) -> Self

Instruments this future with the current span (no-op when disabled).
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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> Same for T

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type Output = T

Should always be Self
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impl<S> SymbolStreamExt for S
where S: SymbolStream + ?Sized,

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fn next(&mut self) -> NextFuture<'_, Self> ⓘ
where Self: Unpin,

Receive the next symbol.
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fn collect_to_set<'a>( &'a mut self, set: &'a mut SymbolSet, ) -> CollectToSetFuture<'a, Self> ⓘ
where Self: Unpin,

Collect all symbols into a SymbolSet.
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fn map<F, T>(self, f: F) -> MapStream<Self, F>
where Self: Sized, F: FnMut(AuthenticatedSymbol) -> T,

Map symbols through a function.
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fn filter<F>(self, f: F) -> FilterStream<Self, F>
where Self: Sized, F: FnMut(&AuthenticatedSymbol) -> bool,

Filter symbols.
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fn for_block( self, sbn: u8, ) -> FilterStream<Self, Box<dyn FnMut(&AuthenticatedSymbol) -> bool + Send>>
where Self: Sized + 'static,

Take only symbols for a specific block.
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fn timeout(self, duration: Duration) -> TimeoutStream<Self>
where Self: Sized,

Timeout on symbol reception.
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fn next_with_cancel<'a>( &'a mut self, cx: &'a Cx, ) -> NextWithCancelFuture<'a, Self> ⓘ
where Self: Unpin,

Receive the next symbol with cancellation support.
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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<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