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BetaMemoryIndex

rust_rule_engine::rete::optimization

Struct BetaMemoryIndex 

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pub struct BetaMemoryIndex { /* private fields */ }
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Beta Memory Index Fast lookup for join operations

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impl BetaMemoryIndex

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pub fn new(join_key: String) -> Self

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pub fn add(&mut self, fact: &TypedFacts, fact_idx: usize)

Add fact to index

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pub fn lookup(&self, key_value: &str) -> &[usize]

Lookup facts by join key value

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pub fn remove(&mut self, fact: &TypedFacts, fact_idx: usize)

Remove fact from index

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pub fn size(&self) -> usize

Get index size

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impl Debug for BetaMemoryIndex

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

Formats the value using the given formatter. Read more

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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.