[−][src]Struct futures_channel::mpsc::Sender
The transmission end of a bounded mpsc channel.
This value is created by the channel
function.
Methods
impl<T> Sender<T>
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impl<T> Sender<T>
pub fn try_send(&mut self, msg: T) -> Result<(), TrySendError<T>>
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pub fn try_send(&mut self, msg: T) -> Result<(), TrySendError<T>>
Attempts to send a message on this Sender
, returning the message
if there was an error.
pub fn start_send(&mut self, msg: T) -> Result<(), SendError>
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pub fn start_send(&mut self, msg: T) -> Result<(), SendError>
Send a message on the channel.
This function should only be called after
poll_ready
has reported that the channel is
ready to receive a message.
pub fn poll_ready(&mut self, lw: &LocalWaker) -> Poll<Result<(), SendError>>
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pub fn poll_ready(&mut self, lw: &LocalWaker) -> Poll<Result<(), SendError>>
Polls the channel to determine if there is guaranteed capacity to send at least one item without waiting.
Return value
This method returns:
Ok(Async::Ready(_))
if there is sufficient capacity;Ok(Async::Pending)
if the channel may not have capacity, in which case the current task is queued to be notified once capacity is available;Err(SendError)
if the receiver has been dropped.
pub fn is_closed(&self) -> bool
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pub fn is_closed(&self) -> bool
Returns whether this channel is closed without needing a context.
pub fn close_channel(&mut self)
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pub fn close_channel(&mut self)
Closes this channel from the sender side, preventing any new messages.
Trait Implementations
impl<T> Clone for Sender<T>
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impl<T> Clone for Sender<T>
fn clone(&self) -> Sender<T>
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fn clone(&self) -> Sender<T>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<T> Drop for Sender<T>
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impl<T> Drop for Sender<T>
impl<T: Debug> Debug for Sender<T>
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impl<T: Debug> Debug for Sender<T>
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<T> Unpin for Sender<T>
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impl<T> Unpin for Sender<T>
Auto Trait Implementations
Blanket Implementations
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
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fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
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fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T> From for T
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impl<T> From for T
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,