StateRef

state_department

Struct StateRef 

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pub struct StateRef<'a, T: Send + Sync + 'static, R> { /* private fields */ }
Expand description

A held reference to something in the StateManager.

Whilst this is held, StateLifetime::try_drop will return its Err variant, and dropping the StateManager will not drop the values held within it.

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impl<T: Send + Sync + 'static, R> Deref for StateRef<'_, T, R>

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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: Send + Sync + 'static, R> Send for StateRef<'_, T, R>

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impl<T: Send + Sync + 'static, R> Sync for StateRef<'_, T, R>

Auto Trait Implementations§

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impl<'a, T, R> Freeze for StateRef<'a, T, R>

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impl<'a, T, R> !RefUnwindSafe for StateRef<'a, T, R>

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impl<'a, T, R> Unpin for StateRef<'a, T, R>

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impl<'a, T, R> !UnwindSafe for StateRef<'a, T, R>

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.