Struct Receiver

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pub struct Receiver<T>(/* private fields */);
Expand description

A bounded receiver, created with [channel]

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impl<T> Receiver<T>

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pub async fn recv(&mut self) -> Result<T, RecvError>

Receive a value from te channel. This will async block until a value is received, or until a RecvError is encountered.

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Will return an error if the sender is dropped

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pub fn into_stream(self) -> BoundedStream<T>
where T: 'static,

Turn this recever into a stream. This may fail on some implementations if multiple references of a receiver exist

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pub fn try_recv(&mut self) -> Result<T, TryRecvError>

Try to receive a channel from the receiver. Will return immediately if there is no value available.

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Will return an error if the sender is dropped

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pub async fn drain_at_least_one(&mut self) -> Result<Vec<T>, RecvError>

Asynchronously wait for at least 1 value to show up, then will greedily try to receive values until this receiver would block. The resulting values are returned.

It is guaranteed that the returning vec contains at least 1 value

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Will return an error if the sender is dropped

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pub fn drain(&mut self) -> Result<Vec<T>, RecvError>

Drains the receiver from all messages in the queue, but will not poll for more messages

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Will return an error if the sender is dropped

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impl<T> Debug for Receiver<T>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> Freeze for Receiver<T>

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impl<T> RefUnwindSafe for Receiver<T>

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impl<T> Send for Receiver<T>
where T: Send,

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impl<T> Sync for Receiver<T>
where T: Send,

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impl<T> Unpin for Receiver<T>

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impl<T> UnwindSafe for Receiver<T>

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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<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