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Expr

Enum Expr 

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pub enum Expr {
Show 15 variants Null, Bool(bool), Int(i64), Float(f64), String(String), Array(Vec<Expr>), Ident(String), MemberAccess { object: Box<Expr>, property: String, }, IndexAccess { object: Box<Expr>, index: Box<Expr>, }, Filter { expr: Box<Expr>, filters: Vec<FilterApplication>, }, Ternary { condition: Box<Expr>, consequent: Box<Expr>, alternate: Box<Expr>, }, Binary { op: BinaryOp, left: Box<Expr>, right: Box<Expr>, }, Unary { op: UnaryOp, operand: Box<Expr>, }, Test { expr: Box<Expr>, negated: bool, test_name: String, }, Membership { expr: Box<Expr>, negated: bool, collection: Box<Expr>, },
}
Expand description

A Gracile expression.

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Null

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Bool(bool)

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Int(i64)

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Float(f64)

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String(String)

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Array(Vec<Expr>)

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Ident(String)

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MemberAccess

object.property

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§object: Box<Expr>
§property: String
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IndexAccess

object[index]

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§object: Box<Expr>
§index: Box<Expr>
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Filter

expr | filter1 | filter2(arg)

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§expr: Box<Expr>
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Ternary

cond ? then : else

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§condition: Box<Expr>
§consequent: Box<Expr>
§alternate: Box<Expr>
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Binary

Binary operators.

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§left: Box<Expr>
§right: Box<Expr>
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Unary

Unary operators.

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§operand: Box<Expr>
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Test

expr is [not] test_name

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§expr: Box<Expr>
§negated: bool
§test_name: String
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Membership

expr [not] in collection

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§expr: Box<Expr>
§negated: bool
§collection: Box<Expr>

Trait Implementations§

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impl Clone for Expr

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fn clone(&self) -> Expr

Returns a duplicate 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 Expr

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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 Freeze for Expr

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impl RefUnwindSafe for Expr

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impl Send for Expr

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impl Sync for Expr

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impl Unpin for Expr

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impl UnsafeUnpin for Expr

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impl UnwindSafe for Expr

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> 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> 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.