Enum futures::AsyncSink
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pub enum AsyncSink<T> { Ready, NotReady(T), }
The result of an asynchronous attempt to send a value to a sink.
Variants
Ready
The start_send
attempt succeeded, so the sending process has
started; you must use Sink::poll_complete
to drive the send
to completion.
NotReady(T)
The start_send
attempt failed due to the sink being full. The value
being sent is returned, and the current Task
will be automatically
notified again once the sink has room.
Methods
impl<T> AsyncSink<T>
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pub fn map<F, U>(self, f: F) -> AsyncSink<U> where
F: FnOnce(T) -> U,
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F: FnOnce(T) -> U,
Change the NotReady value of this AsyncSink
with the closure provided
pub fn is_ready(&self) -> bool
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Returns whether this is AsyncSink::Ready
pub fn is_not_ready(&self) -> bool
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Returns whether this is AsyncSink::NotReady
Trait Implementations
impl<T: Copy> Copy for AsyncSink<T>
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impl<T: Clone> Clone for AsyncSink<T>
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fn clone(&self) -> AsyncSink<T>
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl<T: Debug> Debug for AsyncSink<T>
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fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more