enum Element {
    Value {
        value: Box<dyn Any + Send + Sync + 'static>,
        clone_fn: fn(_: &Box<dyn Any + Send + Sync + 'static>) -> Box<dyn Any + Send + Sync + 'static>,
    },
    Serialized(SerializedElement),
}

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Value

Fields

§value: Box<dyn Any + Send + Sync + 'static>

The actual value.

§clone_fn: fn(_: &Box<dyn Any + Send + Sync + 'static>) -> Box<dyn Any + Send + Sync + 'static>

How to clone the value.

A value, maybe serializable.

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Serialized(SerializedElement)

A serialized value

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impl Element

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pub(crate) fn new_temp<T: 'static + Any + Clone + Send + Sync>(t: T) -> Self

Create a value that won’t be persisted.

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pub(crate) fn new_persisted<T: SerializableAny>(t: T) -> Self

Create a value that will be persisted.

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pub(crate) fn type_id(&self) -> TypeId

The type of the stored value.

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pub(crate) fn get_temp<T: 'static>(&self) -> Option<&T>

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pub(crate) fn get_mut_temp<T: 'static>(&mut self) -> Option<&mut T>

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pub(crate) fn get_temp_mut_or_insert_with<T: 'static + Any + Clone + Send + Sync>( &mut self, insert_with: impl FnOnce() -> T ) -> &mut T

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pub(crate) fn get_persisted_mut_or_insert_with<T: SerializableAny>( &mut self, insert_with: impl FnOnce() -> T ) -> &mut T

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pub(crate) fn get_mut_persisted<T: SerializableAny>(&mut self) -> Option<&mut T>

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impl Clone for Element

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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 Debug for Element

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

Formats the value using the given formatter. Read more

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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> 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.
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impl<T> SerializableAny for T
where T: 'static + Any + Clone + for<'a> Send + Sync,