relm4::component

Struct StateWatcher

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pub struct StateWatcher<C: Component> { /* private fields */ }
Expand description

Keeps track of a components model and view.

Borrowing the model and view will notify the component to check for updates.

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impl<C: Component> StateWatcher<C>

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pub fn get(&self) -> Ref<'_, ComponentParts<C>>

Borrows the model and view of a component.

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pub fn get_mut(&self) -> RefMut<'_, ComponentParts<C>>

Borrows the model and view of a component, and notifies the component to check for updates.

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impl<C> Debug for StateWatcher<C>
where C: Component + Debug, C::Widgets: Debug,

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<C> Freeze for StateWatcher<C>

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impl<C> !RefUnwindSafe for StateWatcher<C>

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impl<C> !Send for StateWatcher<C>

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impl<C> !Sync for StateWatcher<C>

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impl<C> Unpin for StateWatcher<C>

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impl<C> !UnwindSafe for StateWatcher<C>

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<C> AsyncPosition<()> for C

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fn position(_index: usize)

Returns the position. 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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<C, I> Position<(), I> for C

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fn position(&self, _index: &I)

Returns the position. 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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more