Struct egg::ConditionalApplier

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pub struct ConditionalApplier<C, A> {
    pub condition: C,
    pub applier: A,
}
Expand description

An Applier that checks a Condition before applying.

A ConditionalApplier simply calls check on the Condition before calling apply_one on the inner Applier.

See the rewrite! macro documentation for an example.

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§condition: C

The Condition to check before calling apply_one on applier.

§applier: A

The inner Applier to call once condition passes.

Trait Implementations§

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impl<C, A, N, L> Applier<L, N> for ConditionalApplier<C, A>where L: Language, C: Condition<L, N>, A: Applier<L, N>, N: Analysis<L>,

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fn get_pattern_ast(&self) -> Option<&PatternAst<L>>

For patterns, get the ast directly as a reference.
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fn apply_one( &self, egraph: &mut EGraph<L, N>, eclass: Id, subst: &Subst, searcher_ast: Option<&PatternAst<L>>, rule_name: Symbol ) -> Vec<Id>

Apply a single substitution. Read more
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fn vars(&self) -> Vec<Var>

Returns a list of variables that this Applier assumes are bound. Read more
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fn apply_matches( &self, egraph: &mut EGraph<L, N>, matches: &[SearchMatches<'_, L>], rule_name: Symbol ) -> Vec<Id>

Apply many substitutions. Read more
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impl<C: Clone, A: Clone> Clone for ConditionalApplier<C, A>

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fn clone(&self) -> ConditionalApplier<C, A>

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<C: Debug, A: Debug> Debug for ConditionalApplier<C, A>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<C, A> RefUnwindSafe for ConditionalApplier<C, A>where A: RefUnwindSafe, C: RefUnwindSafe,

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impl<C, A> Send for ConditionalApplier<C, A>where A: Send, C: Send,

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impl<C, A> Sync for ConditionalApplier<C, A>where A: Sync, C: Sync,

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impl<C, A> Unpin for ConditionalApplier<C, A>where A: Unpin, C: Unpin,

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impl<C, A> UnwindSafe for ConditionalApplier<C, A>where A: UnwindSafe, C: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.