tokio_sync::watch

Struct Ref

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pub struct Ref<'a, T: 'a> { /* private fields */ }
Expand description

Returns a reference to the inner value

Outstanding borrows hold a read lock on the inner value. This means that long lived borrows could cause the produce half to block. It is recommended to keep the borrow as short lived as possible.

Trait Implementations§

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impl<'a, T: Debug + 'a> Debug for Ref<'a, 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<'a, T: 'a> Deref for Ref<'a, T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &T

Dereferences the value.

Auto Trait Implementations§

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impl<'a, T> Freeze for Ref<'a, T>

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impl<'a, T> RefUnwindSafe for Ref<'a, T>
where T: RefUnwindSafe,

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impl<'a, T> !Send for Ref<'a, T>

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impl<'a, T> Sync for Ref<'a, T>
where T: Sync,

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impl<'a, T> Unpin for Ref<'a, T>

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impl<'a, T> UnwindSafe for Ref<'a, T>
where T: RefUnwindSafe,

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<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.