[−][src]Struct holochain_tracing::channel::EncodedSpanSender
Methods
impl<T: Send + Debug + DeserializeOwned + Serialize + Clone> EncodedSpanSender<T>
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pub fn send_wrapped(&self, v: T) -> Result<(), SendError<EncodedSpanWrap<T>>>
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Methods from Deref<Target = Sender<EncodedSpanWrap<T>>>
pub fn try_send(&self, msg: T) -> Result<(), TrySendError<T>>
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Attempts to send a message into the channel without blocking.
This method will either send a message into the channel immediately or return an error if the channel is full or disconnected. The returned error contains the original message.
If called on a zero-capacity channel, this method will send the message only if there happens to be a receive operation on the other side of the channel at the same time.
Examples
use crossbeam_channel::{bounded, TrySendError}; let (s, r) = bounded(1); assert_eq!(s.try_send(1), Ok(())); assert_eq!(s.try_send(2), Err(TrySendError::Full(2))); drop(r); assert_eq!(s.try_send(3), Err(TrySendError::Disconnected(3)));
pub fn send(&self, msg: T) -> Result<(), SendError<T>>
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Blocks the current thread until a message is sent or the channel is disconnected.
If the channel is full and not disconnected, this call will block until the send operation can proceed. If the channel becomes disconnected, this call will wake up and return an error. The returned error contains the original message.
If called on a zero-capacity channel, this method will wait for a receive operation to appear on the other side of the channel.
Examples
use std::thread; use std::time::Duration; use crossbeam_channel::{bounded, SendError}; let (s, r) = bounded(1); assert_eq!(s.send(1), Ok(())); thread::spawn(move || { assert_eq!(r.recv(), Ok(1)); thread::sleep(Duration::from_secs(1)); drop(r); }); assert_eq!(s.send(2), Ok(())); assert_eq!(s.send(3), Err(SendError(3)));
pub fn send_timeout(
&self,
msg: T,
timeout: Duration
) -> Result<(), SendTimeoutError<T>>
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&self,
msg: T,
timeout: Duration
) -> Result<(), SendTimeoutError<T>>
Waits for a message to be sent into the channel, but only for a limited time.
If the channel is full and not disconnected, this call will block until the send operation can proceed or the operation times out. If the channel becomes disconnected, this call will wake up and return an error. The returned error contains the original message.
If called on a zero-capacity channel, this method will wait for a receive operation to appear on the other side of the channel.
Examples
use std::thread; use std::time::Duration; use crossbeam_channel::{bounded, SendTimeoutError}; let (s, r) = bounded(0); thread::spawn(move || { thread::sleep(Duration::from_secs(1)); assert_eq!(r.recv(), Ok(2)); drop(r); }); assert_eq!( s.send_timeout(1, Duration::from_millis(500)), Err(SendTimeoutError::Timeout(1)), ); assert_eq!( s.send_timeout(2, Duration::from_secs(1)), Ok(()), ); assert_eq!( s.send_timeout(3, Duration::from_millis(500)), Err(SendTimeoutError::Disconnected(3)), );
pub fn is_empty(&self) -> bool
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Returns true
if the channel is empty.
Note: Zero-capacity channels are always empty.
Examples
use crossbeam_channel::unbounded; let (s, r) = unbounded(); assert!(s.is_empty()); s.send(0).unwrap(); assert!(!s.is_empty());
pub fn is_full(&self) -> bool
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Returns true
if the channel is full.
Note: Zero-capacity channels are always full.
Examples
use crossbeam_channel::bounded; let (s, r) = bounded(1); assert!(!s.is_full()); s.send(0).unwrap(); assert!(s.is_full());
pub fn len(&self) -> usize
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Returns the number of messages in the channel.
Examples
use crossbeam_channel::unbounded; let (s, r) = unbounded(); assert_eq!(s.len(), 0); s.send(1).unwrap(); s.send(2).unwrap(); assert_eq!(s.len(), 2);
pub fn capacity(&self) -> Option<usize>
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If the channel is bounded, returns its capacity.
Examples
use crossbeam_channel::{bounded, unbounded}; let (s, _) = unbounded::<i32>(); assert_eq!(s.capacity(), None); let (s, _) = bounded::<i32>(5); assert_eq!(s.capacity(), Some(5)); let (s, _) = bounded::<i32>(0); assert_eq!(s.capacity(), Some(0));
Trait Implementations
impl<T: Serialize + DeserializeOwned + Clone> AsRef<Sender<EncodedSpanWrap<T>>> for EncodedSpanSender<T>
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fn as_ref(&self) -> &Sender<EncodedSpanWrap<T>>
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impl<T: Serialize + DeserializeOwned + Clone> Borrow<Sender<EncodedSpanWrap<T>>> for EncodedSpanSender<T>
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fn borrow(&self) -> &Sender<EncodedSpanWrap<T>>
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impl<T: Clone + Serialize + DeserializeOwned> Clone for EncodedSpanSender<T>
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fn clone(&self) -> EncodedSpanSender<T>
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fn clone_from(&mut self, source: &Self)
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impl<T: Serialize + DeserializeOwned + Clone> Deref for EncodedSpanSender<T>
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type Target = Sender<EncodedSpanWrap<T>>
The resulting type after dereferencing.
fn deref(&self) -> &Self::Target
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impl<T: Send + DeserializeOwned + Serialize + Clone> From<Sender<EncodedSpanWrap<T>>> for EncodedSpanSender<T>
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fn from(tx: Sender<EncodedSpanWrap<T>>) -> EncodedSpanSender<T>
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Auto Trait Implementations
impl<T> RefUnwindSafe for EncodedSpanSender<T>
impl<T> Send for EncodedSpanSender<T> where
T: Send,
T: Send,
impl<T> Sync for EncodedSpanSender<T> where
T: Send,
T: Send,
impl<T> Unpin for EncodedSpanSender<T>
impl<T> UnwindSafe for EncodedSpanSender<T>
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
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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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,