Struct SharedChangeToken

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pub struct SharedChangeToken<T: ChangeToken = DefaultChangeToken> { /* private fields */ }
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Represents a shared ChangeToken.

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impl<T: ChangeToken> SharedChangeToken<T>

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pub fn new(token: T) -> Self

Initializes a new shared change token.

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impl<T: ChangeToken> AsRef<T> for SharedChangeToken<T>

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fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.
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impl<T: ChangeToken> Borrow<T> for SharedChangeToken<T>

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T: ChangeToken> ChangeToken for SharedChangeToken<T>

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fn changed(&self) -> bool

Gets a value that indicates if a change has occurred.
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fn must_poll(&self) -> bool

Indicates if this token will proactively raise callbacks. Read more
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fn register( &self, callback: Callback, state: Option<Arc<dyn Any>>, ) -> Registration

Registers for a callback that will be invoked when the token has changed. Read more
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impl<T: ChangeToken> Clone for SharedChangeToken<T>

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: ChangeToken + Default> Default for SharedChangeToken<T>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<T: ChangeToken> Deref for SharedChangeToken<T>

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type Target = T

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

Dereferences the value.
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impl<T: ChangeToken> From<T> for SharedChangeToken<T>

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fn from(token: T) -> Self

Converts to this type from the input type.
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impl<T: ChangeToken> Send for SharedChangeToken<T>

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impl<T: ChangeToken> Sync for SharedChangeToken<T>

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.