egglog::ast

Struct GenericFunctionDecl

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pub struct GenericFunctionDecl<Head, Leaf>
where
    Head: Clone + Display,
    Leaf: Clone + PartialEq + Eq + Display + Hash,
{
    pub name: String,
    pub subtype: FunctionSubtype,
    pub schema: Schema,
    pub merge: Option<GenericExpr<Head, Leaf>>,
    pub cost: Option<DefaultCost>,
    pub unextractable: bool,
    pub let_binding: bool,
    pub span: Span,
}
Expand description

Represents the declaration of a function directly parsed from source syntax.

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§name: String§subtype: FunctionSubtype§schema: Schema§merge: Option<GenericExpr<Head, Leaf>>§cost: Option<DefaultCost>§unextractable: bool§let_binding: bool

Globals are desugared to functions, with this flag set to true. This is used by visualization to handle globals differently.

§span: Span

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impl GenericFunctionDecl<String, String>

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pub fn function( span: Span, name: String, schema: Schema, merge: Option<GenericExpr<String, String>>, ) -> Self

Constructs a function

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pub fn constructor( span: Span, name: String, schema: Schema, cost: Option<DefaultCost>, unextractable: bool, ) -> Self

Constructs a constructor

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pub fn relation(span: Span, name: String, input: Vec<String>) -> Self

Constructs a relation

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impl<Head, Leaf> GenericFunctionDecl<Head, Leaf>
where Head: Clone + Display, Leaf: Clone + PartialEq + Eq + Display + Hash,

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pub fn visit_exprs( self, f: &mut impl FnMut(GenericExpr<Head, Leaf>) -> GenericExpr<Head, Leaf>, ) -> GenericFunctionDecl<Head, Leaf>

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impl<Head, Leaf> Clone for GenericFunctionDecl<Head, Leaf>
where Head: Clone + Display + Clone, Leaf: Clone + PartialEq + Eq + Display + Hash + Clone,

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fn clone(&self) -> GenericFunctionDecl<Head, Leaf>

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<Head, Leaf> Debug for GenericFunctionDecl<Head, Leaf>
where Head: Clone + Display + Debug, Leaf: Clone + PartialEq + Eq + Display + Hash + Debug,

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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<Head, Leaf> Hash for GenericFunctionDecl<Head, Leaf>
where Head: Clone + Display + Hash, Leaf: Clone + PartialEq + Eq + Display + Hash + Hash,

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<Head, Leaf> PartialEq for GenericFunctionDecl<Head, Leaf>
where Head: Clone + Display + PartialEq, Leaf: Clone + PartialEq + Eq + Display + Hash + PartialEq,

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fn eq(&self, other: &GenericFunctionDecl<Head, Leaf>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<Head, Leaf> Eq for GenericFunctionDecl<Head, Leaf>
where Head: Clone + Display + Eq, Leaf: Clone + PartialEq + Eq + Display + Hash + Eq,

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impl<Head, Leaf> StructuralPartialEq for GenericFunctionDecl<Head, Leaf>
where Head: Clone + Display, Leaf: Clone + PartialEq + Eq + Display + Hash,

Auto Trait Implementations§

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impl<Head, Leaf> Freeze for GenericFunctionDecl<Head, Leaf>
where Leaf: Freeze, Head: Freeze,

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impl<Head, Leaf> RefUnwindSafe for GenericFunctionDecl<Head, Leaf>
where Leaf: RefUnwindSafe, Head: RefUnwindSafe,

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impl<Head, Leaf> Send for GenericFunctionDecl<Head, Leaf>
where Leaf: Send, Head: Send,

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impl<Head, Leaf> Sync for GenericFunctionDecl<Head, Leaf>
where Leaf: Sync, Head: Sync,

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impl<Head, Leaf> Unpin for GenericFunctionDecl<Head, Leaf>
where Leaf: Unpin, Head: Unpin,

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impl<Head, Leaf> UnwindSafe for GenericFunctionDecl<Head, Leaf>
where Leaf: UnwindSafe, Head: UnwindSafe,

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V