#[non_exhaustive]pub enum FilterExpr {
Unary(UnOp, Box<FilterExpr>),
Binary(Box<FilterExpr>, BinOp, Box<FilterExpr>),
Path(SubPath),
Lit(ExprLit),
Parens(Paren, Box<FilterExpr>),
}
Expand description
An expression inside a filter directive, or any sub-expression in that tree
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
Unary(UnOp, Box<FilterExpr>)
An expression with an unary operator before it, such as !(true)
Binary(Box<FilterExpr>, BinOp, Box<FilterExpr>)
Two expressions with a binary operator joining them, such as 1 + 4
Path(SubPath)
A SubPath
expression, such as the @.a
in @.a == 1
Lit(ExprLit)
A literal value, such as null
or 'bar'
Parens(Paren, Box<FilterExpr>)
An expression wrapped in parenthesis, such as the (1 + 2)
in (1 + 2) * 3
Trait Implementations§
Auto Trait Implementations§
impl Freeze for FilterExpr
impl RefUnwindSafe for FilterExpr
impl Send for FilterExpr
impl Sync for FilterExpr
impl Unpin for FilterExpr
impl UnwindSafe for FilterExpr
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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