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AppStateWrapper

Struct AppStateWrapper 

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pub struct AppStateWrapper<S: AppState>(/* private fields */);
Expand description

Holds application state.

§Cloning

It can be useful to clone AppStateWrapper’s in order to pass state into event handler closures.

All clones will point to the same inner state.

Cloning an AppStateWrapper is a very cheap operation.

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impl<S: AppState> AppStateWrapper<S>

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pub fn new(state: S) -> Self

Create a new AppStateWrapper.

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pub fn msg(&mut self, msg: S::Message)

Acquire write access to the AppState then send a message.

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pub fn read(&self) -> RwLockReadGuard<'_, S>

Acquire read access to AppState.

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impl<S: AppState> Clone for AppStateWrapper<S>

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

Auto Trait Implementations§

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impl<S> Freeze for AppStateWrapper<S>

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impl<S> RefUnwindSafe for AppStateWrapper<S>

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impl<S> Send for AppStateWrapper<S>
where S: Send + Sync,

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impl<S> Sync for AppStateWrapper<S>
where S: Send + Sync,

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impl<S> Unpin for AppStateWrapper<S>

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impl<S> UnsafeUnpin for AppStateWrapper<S>

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impl<S> UnwindSafe for AppStateWrapper<S>

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> 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<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.