Struct DropNotifyWatchSender

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pub struct DropNotifyWatchSender<T: DropNotifyEofSignallable>(Option<Sender<T>>);
Expand description

Wrapper for postage::watch::Sender that sends DropNotifyEof::eof() when dropped

Derefs to the inner Sender.

Ideally this would be behaviour promised by upstream, or something See https://github.com/austinjones/postage-rs/issues/57.

Tuple Fields§

§0: Option<Sender<T>>

Implementations§

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impl<T: DropNotifyEofSignallable> DropNotifyWatchSender<T>

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pub fn new(inner: Sender<T>) -> Self

Arrange to send T::Default when inner is dropped

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pub fn into_inner(self) -> Sender<T>

Unwrap the inner sender, defusing the drop notification

Methods from Deref<Target = Sender<T>>§

pub fn borrow_mut<'s>(&'s mut self) -> RefMut<'s, T>

Mutably borrows the contained value, blocking the channel while the borrow is held.

After the borrow is released, receivers will be notified of a new value.

pub fn subscribe(&mut self) -> Receiver<T>

Creates a new Receiver that listens to this channel.

pub fn borrow<'s>(&'s mut self) -> Ref<'s, T>

Immutably borrows the contained value, blocking the channel while the borrow is held.

Trait Implementations§

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impl<T: Debug + DropNotifyEofSignallable> Debug for DropNotifyWatchSender<T>

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

Formats the value using the given formatter. Read more
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impl<T: DropNotifyEofSignallable> Deref for DropNotifyWatchSender<T>

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type Target = Sender<T>

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<T: DropNotifyEofSignallable> DerefMut for DropNotifyWatchSender<T>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl<T: DropNotifyEofSignallable> Drop for DropNotifyWatchSender<T>

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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, 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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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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.