MapEvent

Struct MapEvent 

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pub struct MapEvent { /* private fields */ }
Expand description

Event generated by [Map::observe] method. Emitted during transaction commit phase.

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impl MapEvent

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pub fn target(&self) -> &MapRef

Returns a Map instance which emitted this event.

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pub fn path(&self) -> Path

Returns a path from root type down to Map instance which emitted this event.

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pub fn keys(&self, txn: &TransactionMut<'_>) -> &HashMap<Arc<str>, EntryChange>

Returns a summary of key-value changes made over corresponding Map collection within bounds of current transaction.

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impl AsRef<MapEvent> for Event

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fn as_ref(&self) -> &MapEvent

Converts this type into a shared reference of the (usually inferred) input type.

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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, 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.